The sound was kind of muted and I was surprised, because it is the 1st time that this has happened. To learn more, see our tips on writing great answers. Is this white smoke, or is it a sign that the engine is burning coolant? A forum community dedicated to Jeep Wrangler owners and enthusiasts. thx? Probably if it wasn't before your pump was replaced the pump gasket might have been leaking. Is it ethical to award points for hilariously bad answers? 89 2.5 TBI, 4" RC lift, 1" Booms, SYE, Adams Driveshafts front and rear, Ford 8.8 with 4:88s, BFG 33X12.50X15, and a ton of other stuff. I replaced the gas cap but it still doesn't seal is this normal.Even with an empty tank it will not make a hissing sound. Not just any shop but one with a good reputation. Any idea on how to reduce or merge them like ubuntu 16? The noise you hear is air rushing into the fuel tank, due to the low pressure caused by the use of fuel. rev 2020.11.2.37934, The best answers are voted up and rise to the top, Motor Vehicle Maintenance & Repair Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us.

Sounds like BONK! When I try to fill the car up it will decline the gasoline so that I can only fill it up .1 gallons at a time. I do get a gas smell but its only when the tank is full and this rarely happens. ;) Login now! when you smell gas when trying to start it means your flooding the engine. there was "husssh" noise with the air from Petrol tank going out and with some pressure. Anyway one of the tubes associated with this might have a leak is my guess. Hey guys, Sometimes when I'm at the gas station and about to fill my car up, there will be a hissing sound coming from my gas tank after I remove the gas cap.

...there was "husssh" noise with the air from Petrol tank going out and with some pressure. The hiss is a normal phenomenon, ideally keep the tanks at more than 1/2 full to keep the fume formation and vapor loss at check. I’m told the part is very specific to the size of the engine, so the part should fit, Car Repair Manuals and Tips on Common Car Problems, Is It Normal For Air To Come Out Of Tank When Gas Cap Is Removed. Couldn't the hiss be the air in the tank coming out after expanding due to the heat of driving? I've noticed the same on every vehicle I've driven.

| 1991 Jeep Wrangler | 2.5L | 5 Spd | Stock on 33's |, Mine hisses every once in a while because of pressure in the gas tank but not every time I fill up. most gas tanks are pressurized system. I had the fuel pump replace recently, do you think a line was pinched?

When I unscrewed the fuel cap, there was a hiss and quite a bit of pressurized petrol fumes came out, I mean I could see the vapour haze and it lasted for around 5 seconds continuously. Good luck. I thought maybe the casiter solenoid wasn't working, but then I remembered that cansiter doesn't … I'm pretty sure all this is normal. Evaporated fuel vapors are handled by the EVAP system in modern cars where the fuel vapors are stored in a canister & then burnt off in the engine. Now after all of that work is done on my truck my gas cap does NOT hiss when I remove it after driving. Tube, GE Lighting H4 NHX/BP2 Nighthawk Xenon Replacement Headlight Bulb, 2-Pack, Door Check Repair Kit Stay Strap Stopper Replace for Toyota and Lexus (2 doors), YOUNGFLY Car Steering Wheel Remote Control Android Wireless Led Universal 10 Buttons, Alpine iLX-W650 7" Mech-Less Receiver Compatible with Apple CarPlay and Android Auto, TOYOTA Genuine 43340-39585 Ball Joint Assembly, NOCO GENIUS10, 10-Amp Fully-Automatic Smart Charger, 6V And 12V Battery Charger, Battery Maintainer, And Battery Desulfator With Temperature Compensation, Genuine Toyota 43340-39436 Ball Joint Assembly, ARB D29XL Old Man Emu Dakar Extra Leaf Spring, NOCO Boost Plus GB40 1000 Amp 12-Volt UltraSafe Portable Lithium Car Battery Jump Starter Pack For Up To 6-Liter Gasoline And 3-Liter Diesel Engines, Panlong Bluetooth OBD2 OBDII Car Diagnostic Scanner Check Engine Light for Android - Compatible with Torque Pro, Thermo-Tec 13575 Adhesive Backed Aluminized Heat Barrier, 12" x 24", Meguiar's G12310 PlastX Clear Plastic Cleaner & Polish, 10 Fluid Ounces, ACDelco 45D2267 Professional Front Driver Side Lower Suspension Ball Joint Assembly, ACDelco 45D2266 Professional Front Passenger Side Lower Suspension Ball Joint Assembly, AFA Tooling Replacement for 90467-07201, Toyota Bumper Clips (166 Pcs) - Most Popular Sizes and Applications - with Fastener Remover, Genuine Toyota 68620-35020 Door Check Assembly, 01-04 TOYOTA TACOMA Right Passenger Rear Tail Light Lamp, BATIGE Square Single Port USB 3.0 Panel Flush Mount Extension Cable with Buckle for Car Truck Boat Motorcycle Dashboard 3ft, Tresalto Auto Trim Removal Tool Set [Non Marring and No Scratch] Auto Trim Kit for Easy Removal of Car Door Panels, Fasteners, Molding, Dashboards and Wheel Hubs, 5 PCS, MUYI 10 Kit 2 Pin Way Waterproof Electrical Connector 1.5mm Series Terminals Water Resistend, LITOON OBD2 Plug 16PIN OBDII Male Connector Universal OBD/E-OBD Plug Adapter OBDII Diagostic Tool, PRO GARD G5040UT Locking Gun Rack NO KEYS Removed from Police vehicle, TOYOTA OEM 95-04 Tacoma Instrument Panel Dash-Opening Trim 5552137030, AUXITO Brilliant Red LED Bulbs 168 175 194 2825 W5W T10 24-SMD 3014 Chipsets for Car Dome Map Door Courtesy License Plate Lights (Pack of 2), LOKMAN 20 Pack 5/16" Stainless Steel Cable Clamp, Rubber Cushioned Insulated Clamp, Metal Clamp, Tube Holder for Tube, Pipe or Wire Cord Installation, YONEDA LED Rock Lights 4PODS Waterproof LED Neon Underglow Light for Car Truck ATV UTV SUV Jeep Offroad Boat Underbody Glow Trail Rig Lamp (White), TAILGATE PAINTED 040 Super White TO1900106 FOR 1995-2004 TOYOTA TACOMA STANDARD BED, 120PCS Solder Seal Wire Connectors - Sopoby Heat Shrink Solder Connectors - Waterproof Solder Butt Connector Kit Insulated Automotive Marine Electrical Wire Terminals, 16 Gauge Silicone Wire Spool 50 Feet, Ultra Flexible High Temp 200 deg C 600V 16 AWG Stranded Wire with 252 Strands of Tinned Copper Wire, 25 ft Black and 25 ft Red Wire for Model Battery by MILAPEAK, XSTRAP 4PK Mounting Clamps for Truck Cap/Camper Shells (Large), Car Battery Anti-Corrosion Fiber Washers Acid Chemical Corrosion Terminal Protectors for Battery Cable Connection Point Spot (Pack of 2), Alex Tech 25ft – 1/4" Split Wire Loom Tubing Wire Conduit – Black, Participate in all Tacoma discussion topics, Communicate privately with other Tacoma owners from around the world, Post your own photos in our Members Gallery. I hate the three horizontal bars on top. This is driving me crazy.

I don't know exactly what causes it, though. How many times do you roll damage for Scorching Ray? (as opposed to releasing these fumes to the air and causing air pollution!) There is an evaporative emissions system which "vacuums" the fumes out of the tank more or less.
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The sound was kind of muted and I was surprised, because it is the 1st time that this has happened. To learn more, see our tips on writing great answers. Is this white smoke, or is it a sign that the engine is burning coolant? A forum community dedicated to Jeep Wrangler owners and enthusiasts. thx? Probably if it wasn't before your pump was replaced the pump gasket might have been leaking. Is it ethical to award points for hilariously bad answers? 89 2.5 TBI, 4" RC lift, 1" Booms, SYE, Adams Driveshafts front and rear, Ford 8.8 with 4:88s, BFG 33X12.50X15, and a ton of other stuff. I replaced the gas cap but it still doesn't seal is this normal.Even with an empty tank it will not make a hissing sound. Not just any shop but one with a good reputation. Any idea on how to reduce or merge them like ubuntu 16? The noise you hear is air rushing into the fuel tank, due to the low pressure caused by the use of fuel. rev 2020.11.2.37934, The best answers are voted up and rise to the top, Motor Vehicle Maintenance & Repair Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us.

Sounds like BONK! When I try to fill the car up it will decline the gasoline so that I can only fill it up .1 gallons at a time. I do get a gas smell but its only when the tank is full and this rarely happens. ;) Login now! when you smell gas when trying to start it means your flooding the engine. there was "husssh" noise with the air from Petrol tank going out and with some pressure. Anyway one of the tubes associated with this might have a leak is my guess. Hey guys, Sometimes when I'm at the gas station and about to fill my car up, there will be a hissing sound coming from my gas tank after I remove the gas cap.

...there was "husssh" noise with the air from Petrol tank going out and with some pressure. The hiss is a normal phenomenon, ideally keep the tanks at more than 1/2 full to keep the fume formation and vapor loss at check. I’m told the part is very specific to the size of the engine, so the part should fit, Car Repair Manuals and Tips on Common Car Problems, Is It Normal For Air To Come Out Of Tank When Gas Cap Is Removed. Couldn't the hiss be the air in the tank coming out after expanding due to the heat of driving? I've noticed the same on every vehicle I've driven.

| 1991 Jeep Wrangler | 2.5L | 5 Spd | Stock on 33's |, Mine hisses every once in a while because of pressure in the gas tank but not every time I fill up. most gas tanks are pressurized system. I had the fuel pump replace recently, do you think a line was pinched?

When I unscrewed the fuel cap, there was a hiss and quite a bit of pressurized petrol fumes came out, I mean I could see the vapour haze and it lasted for around 5 seconds continuously. Good luck. I thought maybe the casiter solenoid wasn't working, but then I remembered that cansiter doesn't … I'm pretty sure all this is normal. Evaporated fuel vapors are handled by the EVAP system in modern cars where the fuel vapors are stored in a canister & then burnt off in the engine. Now after all of that work is done on my truck my gas cap does NOT hiss when I remove it after driving. Tube, GE Lighting H4 NHX/BP2 Nighthawk Xenon Replacement Headlight Bulb, 2-Pack, Door Check Repair Kit Stay Strap Stopper Replace for Toyota and Lexus (2 doors), YOUNGFLY Car Steering Wheel Remote Control Android Wireless Led Universal 10 Buttons, Alpine iLX-W650 7" Mech-Less Receiver Compatible with Apple CarPlay and Android Auto, TOYOTA Genuine 43340-39585 Ball Joint Assembly, NOCO GENIUS10, 10-Amp Fully-Automatic Smart Charger, 6V And 12V Battery Charger, Battery Maintainer, And Battery Desulfator With Temperature Compensation, Genuine Toyota 43340-39436 Ball Joint Assembly, ARB D29XL Old Man Emu Dakar Extra Leaf Spring, NOCO Boost Plus GB40 1000 Amp 12-Volt UltraSafe Portable Lithium Car Battery Jump Starter Pack For Up To 6-Liter Gasoline And 3-Liter Diesel Engines, Panlong Bluetooth OBD2 OBDII Car Diagnostic Scanner Check Engine Light for Android - Compatible with Torque Pro, Thermo-Tec 13575 Adhesive Backed Aluminized Heat Barrier, 12" x 24", Meguiar's G12310 PlastX Clear Plastic Cleaner & Polish, 10 Fluid Ounces, ACDelco 45D2267 Professional Front Driver Side Lower Suspension Ball Joint Assembly, ACDelco 45D2266 Professional Front Passenger Side Lower Suspension Ball Joint Assembly, AFA Tooling Replacement for 90467-07201, Toyota Bumper Clips (166 Pcs) - Most Popular Sizes and Applications - with Fastener Remover, Genuine Toyota 68620-35020 Door Check Assembly, 01-04 TOYOTA TACOMA Right Passenger Rear Tail Light Lamp, BATIGE Square Single Port USB 3.0 Panel Flush Mount Extension Cable with Buckle for Car Truck Boat Motorcycle Dashboard 3ft, Tresalto Auto Trim Removal Tool Set [Non Marring and No Scratch] Auto Trim Kit for Easy Removal of Car Door Panels, Fasteners, Molding, Dashboards and Wheel Hubs, 5 PCS, MUYI 10 Kit 2 Pin Way Waterproof Electrical Connector 1.5mm Series Terminals Water Resistend, LITOON OBD2 Plug 16PIN OBDII Male Connector Universal OBD/E-OBD Plug Adapter OBDII Diagostic Tool, PRO GARD G5040UT Locking Gun Rack NO KEYS Removed from Police vehicle, TOYOTA OEM 95-04 Tacoma Instrument Panel Dash-Opening Trim 5552137030, AUXITO Brilliant Red LED Bulbs 168 175 194 2825 W5W T10 24-SMD 3014 Chipsets for Car Dome Map Door Courtesy License Plate Lights (Pack of 2), LOKMAN 20 Pack 5/16" Stainless Steel Cable Clamp, Rubber Cushioned Insulated Clamp, Metal Clamp, Tube Holder for Tube, Pipe or Wire Cord Installation, YONEDA LED Rock Lights 4PODS Waterproof LED Neon Underglow Light for Car Truck ATV UTV SUV Jeep Offroad Boat Underbody Glow Trail Rig Lamp (White), TAILGATE PAINTED 040 Super White TO1900106 FOR 1995-2004 TOYOTA TACOMA STANDARD BED, 120PCS Solder Seal Wire Connectors - Sopoby Heat Shrink Solder Connectors - Waterproof Solder Butt Connector Kit Insulated Automotive Marine Electrical Wire Terminals, 16 Gauge Silicone Wire Spool 50 Feet, Ultra Flexible High Temp 200 deg C 600V 16 AWG Stranded Wire with 252 Strands of Tinned Copper Wire, 25 ft Black and 25 ft Red Wire for Model Battery by MILAPEAK, XSTRAP 4PK Mounting Clamps for Truck Cap/Camper Shells (Large), Car Battery Anti-Corrosion Fiber Washers Acid Chemical Corrosion Terminal Protectors for Battery Cable Connection Point Spot (Pack of 2), Alex Tech 25ft – 1/4" Split Wire Loom Tubing Wire Conduit – Black, Participate in all Tacoma discussion topics, Communicate privately with other Tacoma owners from around the world, Post your own photos in our Members Gallery. I hate the three horizontal bars on top. This is driving me crazy.

I don't know exactly what causes it, though. How many times do you roll damage for Scorching Ray? (as opposed to releasing these fumes to the air and causing air pollution!) There is an evaporative emissions system which "vacuums" the fumes out of the tank more or less.
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The sound was kind of muted and I was surprised, because it is the 1st time that this has happened. To learn more, see our tips on writing great answers. Is this white smoke, or is it a sign that the engine is burning coolant? A forum community dedicated to Jeep Wrangler owners and enthusiasts. thx? Probably if it wasn't before your pump was replaced the pump gasket might have been leaking. Is it ethical to award points for hilariously bad answers? 89 2.5 TBI, 4" RC lift, 1" Booms, SYE, Adams Driveshafts front and rear, Ford 8.8 with 4:88s, BFG 33X12.50X15, and a ton of other stuff. I replaced the gas cap but it still doesn't seal is this normal.Even with an empty tank it will not make a hissing sound. Not just any shop but one with a good reputation. Any idea on how to reduce or merge them like ubuntu 16? The noise you hear is air rushing into the fuel tank, due to the low pressure caused by the use of fuel. rev 2020.11.2.37934, The best answers are voted up and rise to the top, Motor Vehicle Maintenance & Repair Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us.

Sounds like BONK! When I try to fill the car up it will decline the gasoline so that I can only fill it up .1 gallons at a time. I do get a gas smell but its only when the tank is full and this rarely happens. ;) Login now! when you smell gas when trying to start it means your flooding the engine. there was "husssh" noise with the air from Petrol tank going out and with some pressure. Anyway one of the tubes associated with this might have a leak is my guess. Hey guys, Sometimes when I'm at the gas station and about to fill my car up, there will be a hissing sound coming from my gas tank after I remove the gas cap.

...there was "husssh" noise with the air from Petrol tank going out and with some pressure. The hiss is a normal phenomenon, ideally keep the tanks at more than 1/2 full to keep the fume formation and vapor loss at check. I’m told the part is very specific to the size of the engine, so the part should fit, Car Repair Manuals and Tips on Common Car Problems, Is It Normal For Air To Come Out Of Tank When Gas Cap Is Removed. Couldn't the hiss be the air in the tank coming out after expanding due to the heat of driving? I've noticed the same on every vehicle I've driven.

| 1991 Jeep Wrangler | 2.5L | 5 Spd | Stock on 33's |, Mine hisses every once in a while because of pressure in the gas tank but not every time I fill up. most gas tanks are pressurized system. I had the fuel pump replace recently, do you think a line was pinched?

When I unscrewed the fuel cap, there was a hiss and quite a bit of pressurized petrol fumes came out, I mean I could see the vapour haze and it lasted for around 5 seconds continuously. Good luck. I thought maybe the casiter solenoid wasn't working, but then I remembered that cansiter doesn't … I'm pretty sure all this is normal. Evaporated fuel vapors are handled by the EVAP system in modern cars where the fuel vapors are stored in a canister & then burnt off in the engine. Now after all of that work is done on my truck my gas cap does NOT hiss when I remove it after driving. Tube, GE Lighting H4 NHX/BP2 Nighthawk Xenon Replacement Headlight Bulb, 2-Pack, Door Check Repair Kit Stay Strap Stopper Replace for Toyota and Lexus (2 doors), YOUNGFLY Car Steering Wheel Remote Control Android Wireless Led Universal 10 Buttons, Alpine iLX-W650 7" Mech-Less Receiver Compatible with Apple CarPlay and Android Auto, TOYOTA Genuine 43340-39585 Ball Joint Assembly, NOCO GENIUS10, 10-Amp Fully-Automatic Smart Charger, 6V And 12V Battery Charger, Battery Maintainer, And Battery Desulfator With Temperature Compensation, Genuine Toyota 43340-39436 Ball Joint Assembly, ARB D29XL Old Man Emu Dakar Extra Leaf Spring, NOCO Boost Plus GB40 1000 Amp 12-Volt UltraSafe Portable Lithium Car Battery Jump Starter Pack For Up To 6-Liter Gasoline And 3-Liter Diesel Engines, Panlong Bluetooth OBD2 OBDII Car Diagnostic Scanner Check Engine Light for Android - Compatible with Torque Pro, Thermo-Tec 13575 Adhesive Backed Aluminized Heat Barrier, 12" x 24", Meguiar's G12310 PlastX Clear Plastic Cleaner & Polish, 10 Fluid Ounces, ACDelco 45D2267 Professional Front Driver Side Lower Suspension Ball Joint Assembly, ACDelco 45D2266 Professional Front Passenger Side Lower Suspension Ball Joint Assembly, AFA Tooling Replacement for 90467-07201, Toyota Bumper Clips (166 Pcs) - Most Popular Sizes and Applications - with Fastener Remover, Genuine Toyota 68620-35020 Door Check Assembly, 01-04 TOYOTA TACOMA Right Passenger Rear Tail Light Lamp, BATIGE Square Single Port USB 3.0 Panel Flush Mount Extension Cable with Buckle for Car Truck Boat Motorcycle Dashboard 3ft, Tresalto Auto Trim Removal Tool Set [Non Marring and No Scratch] Auto Trim Kit for Easy Removal of Car Door Panels, Fasteners, Molding, Dashboards and Wheel Hubs, 5 PCS, MUYI 10 Kit 2 Pin Way Waterproof Electrical Connector 1.5mm Series Terminals Water Resistend, LITOON OBD2 Plug 16PIN OBDII Male Connector Universal OBD/E-OBD Plug Adapter OBDII Diagostic Tool, PRO GARD G5040UT Locking Gun Rack NO KEYS Removed from Police vehicle, TOYOTA OEM 95-04 Tacoma Instrument Panel Dash-Opening Trim 5552137030, AUXITO Brilliant Red LED Bulbs 168 175 194 2825 W5W T10 24-SMD 3014 Chipsets for Car Dome Map Door Courtesy License Plate Lights (Pack of 2), LOKMAN 20 Pack 5/16" Stainless Steel Cable Clamp, Rubber Cushioned Insulated Clamp, Metal Clamp, Tube Holder for Tube, Pipe or Wire Cord Installation, YONEDA LED Rock Lights 4PODS Waterproof LED Neon Underglow Light for Car Truck ATV UTV SUV Jeep Offroad Boat Underbody Glow Trail Rig Lamp (White), TAILGATE PAINTED 040 Super White TO1900106 FOR 1995-2004 TOYOTA TACOMA STANDARD BED, 120PCS Solder Seal Wire Connectors - Sopoby Heat Shrink Solder Connectors - Waterproof Solder Butt Connector Kit Insulated Automotive Marine Electrical Wire Terminals, 16 Gauge Silicone Wire Spool 50 Feet, Ultra Flexible High Temp 200 deg C 600V 16 AWG Stranded Wire with 252 Strands of Tinned Copper Wire, 25 ft Black and 25 ft Red Wire for Model Battery by MILAPEAK, XSTRAP 4PK Mounting Clamps for Truck Cap/Camper Shells (Large), Car Battery Anti-Corrosion Fiber Washers Acid Chemical Corrosion Terminal Protectors for Battery Cable Connection Point Spot (Pack of 2), Alex Tech 25ft – 1/4" Split Wire Loom Tubing Wire Conduit – Black, Participate in all Tacoma discussion topics, Communicate privately with other Tacoma owners from around the world, Post your own photos in our Members Gallery. I hate the three horizontal bars on top. This is driving me crazy.

I don't know exactly what causes it, though. How many times do you roll damage for Scorching Ray? (as opposed to releasing these fumes to the air and causing air pollution!) There is an evaporative emissions system which "vacuums" the fumes out of the tank more or less.
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gas cap hisses when removed


Also do you experience any problem while filling like filling nozzle get shut off early. Chat with others, create a build thread, post questions and answers. My question is does the gas cap always hiss when you remove it. gas cap is just such a tight seal its releiving pressure, and the gas tank pops because its getting a little smaller from being bulged out. The noise you hear is air rushing into the fuel tank, due to the low pressure caused by the use of fuel.
For a better experience, please enable JavaScript in your browser before proceeding. - 2002 GMC Sierra Denali Quadrasteer 6.0L AWD, 4.10s, K&N FIPK, Blackbear, Dumped Magnaflow, Goodmark Cowl - - 1994 K1500 Chevy Blazer Silverado TBI 5.7L 4x4, Last year of …

In HOT summer 80* + you will have that wonderfull “poosh” noise as the tank SHOULD be under pressure. Why is there a hissing noise when I open my petrol cap? The more advantageous probably wrongdoer is the Mass Airflow Sensor, telling the computer that more advantageous air is entering into into the engine than it may calculate gas for, it pushes the gas corrections to the point that the computer thinks there's a situation with it operating lean yet its not. Can someone tell me what the small hole in the circled part are used for? it ought to take a specialist tech to examine it for confident,yet I have in my opinion replaced somewhat a number of the MAF sensors and repaired the code P0171, That is usual the pressure releasing from the gas tank. you are overpressurizing your fuel tank…obviously this will happen MORE in the summer time as the hotter temps force the gas in the tank to vaporize more. I am going nuts. Engine dies when fuel cap removed to refuel has problem starting after adding fuel - Answered by a verified Auto Mechanic We use cookies to give you the best possible experience on our website. Vapours that are captured in the charcoal canister while standing are sucked into the engine while driving. i can't even find it on a google search for any model car, i listened to it again the other day and it was almost gurgling every few sec.

Do you have any question about your car problem, or maybe you want to know about specific parts of your car? It is definitely a sheet metal noise.
you are experiencing vapor lock. DustStorm4x4 Well-Known Member.

If its something you can’t figure out then your best bet is to have a shop take a look at it. The car is parked in the hot sun all day at home as well as in office parking. who knows, I cant actually drive the car or plug in my obd reader so I’m just shooting off cuff here. Almost sounds like there is air trying to escape. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. Maybe gas tank, maybe muffler or cat converter. @JPhi1618 The ventilation system does let air in when a vacuum is pulled in the tank. Does the European right at large oppose abortion?

1994 Chevrolet S10 2.2L LS pickup - gas smell when starting, Mystery White / Gray Dust on Motorcycle Gas Cap, Any techniques to remove rust from inside fuel tank without removal. Does this mean my fuel tank ventilation valve is broken? 2004 Nissan Maxima ABS, SLIP, VDC OFF And BRAKE Lights Are On. 53 0. Come join the discussion about reviews, performance, trail riding, gear, suspension, tires, classifieds, troubleshooting, maintenance, for all JL, JT, JK, TJ, YJ, and CJ models!

that obviously pressurizes…everything in the fuel system. What else can I do? must be, yet uncertain. Discussion in '1st Gen. Tacomas (1995-2004)' started by ToyoTaco02, Jul 7, 2016. It's a common occurrence caused by pressure difference inside and outside the tank. The attendant told me, "Sir, once in a while open the tank and then close it". At least it is a very minor item to repair after you know you have it either way. Changed cap, fuel pump and relay in fuse box (actually switched with a/c relay-they are the same part). the gas cap on the other hand is really weird, i have removed gas caps on running vehicles and that has never happened. https://www.youtube.com/watch?v=p9wRD_Dwt8g. for you its probably a 10mm socket wrench, a $3 gasket, and a $150 IACV valve…or just deal with it until it decides one day to finally stop working and you sit and crank and cry as you are late to work… cold hard troof. Still have questions? is there always pressure when taking off the gas cap?

The sound was kind of muted and I was surprised, because it is the 1st time that this has happened. To learn more, see our tips on writing great answers. Is this white smoke, or is it a sign that the engine is burning coolant? A forum community dedicated to Jeep Wrangler owners and enthusiasts. thx? Probably if it wasn't before your pump was replaced the pump gasket might have been leaking. Is it ethical to award points for hilariously bad answers? 89 2.5 TBI, 4" RC lift, 1" Booms, SYE, Adams Driveshafts front and rear, Ford 8.8 with 4:88s, BFG 33X12.50X15, and a ton of other stuff. I replaced the gas cap but it still doesn't seal is this normal.Even with an empty tank it will not make a hissing sound. Not just any shop but one with a good reputation. Any idea on how to reduce or merge them like ubuntu 16? The noise you hear is air rushing into the fuel tank, due to the low pressure caused by the use of fuel. rev 2020.11.2.37934, The best answers are voted up and rise to the top, Motor Vehicle Maintenance & Repair Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us.

Sounds like BONK! When I try to fill the car up it will decline the gasoline so that I can only fill it up .1 gallons at a time. I do get a gas smell but its only when the tank is full and this rarely happens. ;) Login now! when you smell gas when trying to start it means your flooding the engine. there was "husssh" noise with the air from Petrol tank going out and with some pressure. Anyway one of the tubes associated with this might have a leak is my guess. Hey guys, Sometimes when I'm at the gas station and about to fill my car up, there will be a hissing sound coming from my gas tank after I remove the gas cap.

...there was "husssh" noise with the air from Petrol tank going out and with some pressure. The hiss is a normal phenomenon, ideally keep the tanks at more than 1/2 full to keep the fume formation and vapor loss at check. I’m told the part is very specific to the size of the engine, so the part should fit, Car Repair Manuals and Tips on Common Car Problems, Is It Normal For Air To Come Out Of Tank When Gas Cap Is Removed. Couldn't the hiss be the air in the tank coming out after expanding due to the heat of driving? I've noticed the same on every vehicle I've driven.

| 1991 Jeep Wrangler | 2.5L | 5 Spd | Stock on 33's |, Mine hisses every once in a while because of pressure in the gas tank but not every time I fill up. most gas tanks are pressurized system. I had the fuel pump replace recently, do you think a line was pinched?

When I unscrewed the fuel cap, there was a hiss and quite a bit of pressurized petrol fumes came out, I mean I could see the vapour haze and it lasted for around 5 seconds continuously. Good luck. I thought maybe the casiter solenoid wasn't working, but then I remembered that cansiter doesn't … I'm pretty sure all this is normal. Evaporated fuel vapors are handled by the EVAP system in modern cars where the fuel vapors are stored in a canister & then burnt off in the engine. Now after all of that work is done on my truck my gas cap does NOT hiss when I remove it after driving. Tube, GE Lighting H4 NHX/BP2 Nighthawk Xenon Replacement Headlight Bulb, 2-Pack, Door Check Repair Kit Stay Strap Stopper Replace for Toyota and Lexus (2 doors), YOUNGFLY Car Steering Wheel Remote Control Android Wireless Led Universal 10 Buttons, Alpine iLX-W650 7" Mech-Less Receiver Compatible with Apple CarPlay and Android Auto, TOYOTA Genuine 43340-39585 Ball Joint Assembly, NOCO GENIUS10, 10-Amp Fully-Automatic Smart Charger, 6V And 12V Battery Charger, Battery Maintainer, And Battery Desulfator With Temperature Compensation, Genuine Toyota 43340-39436 Ball Joint Assembly, ARB D29XL Old Man Emu Dakar Extra Leaf Spring, NOCO Boost Plus GB40 1000 Amp 12-Volt UltraSafe Portable Lithium Car Battery Jump Starter Pack For Up To 6-Liter Gasoline And 3-Liter Diesel Engines, Panlong Bluetooth OBD2 OBDII Car Diagnostic Scanner Check Engine Light for Android - Compatible with Torque Pro, Thermo-Tec 13575 Adhesive Backed Aluminized Heat Barrier, 12" x 24", Meguiar's G12310 PlastX Clear Plastic Cleaner & Polish, 10 Fluid Ounces, ACDelco 45D2267 Professional Front Driver Side Lower Suspension Ball Joint Assembly, ACDelco 45D2266 Professional Front Passenger Side Lower Suspension Ball Joint Assembly, AFA Tooling Replacement for 90467-07201, Toyota Bumper Clips (166 Pcs) - Most Popular Sizes and Applications - with Fastener Remover, Genuine Toyota 68620-35020 Door Check Assembly, 01-04 TOYOTA TACOMA Right Passenger Rear Tail Light Lamp, BATIGE Square Single Port USB 3.0 Panel Flush Mount Extension Cable with Buckle for Car Truck Boat Motorcycle Dashboard 3ft, Tresalto Auto Trim Removal Tool Set [Non Marring and No Scratch] Auto Trim Kit for Easy Removal of Car Door Panels, Fasteners, Molding, Dashboards and Wheel Hubs, 5 PCS, MUYI 10 Kit 2 Pin Way Waterproof Electrical Connector 1.5mm Series Terminals Water Resistend, LITOON OBD2 Plug 16PIN OBDII Male Connector Universal OBD/E-OBD Plug Adapter OBDII Diagostic Tool, PRO GARD G5040UT Locking Gun Rack NO KEYS Removed from Police vehicle, TOYOTA OEM 95-04 Tacoma Instrument Panel Dash-Opening Trim 5552137030, AUXITO Brilliant Red LED Bulbs 168 175 194 2825 W5W T10 24-SMD 3014 Chipsets for Car Dome Map Door Courtesy License Plate Lights (Pack of 2), LOKMAN 20 Pack 5/16" Stainless Steel Cable Clamp, Rubber Cushioned Insulated Clamp, Metal Clamp, Tube Holder for Tube, Pipe or Wire Cord Installation, YONEDA LED Rock Lights 4PODS Waterproof LED Neon Underglow Light for Car Truck ATV UTV SUV Jeep Offroad Boat Underbody Glow Trail Rig Lamp (White), TAILGATE PAINTED 040 Super White TO1900106 FOR 1995-2004 TOYOTA TACOMA STANDARD BED, 120PCS Solder Seal Wire Connectors - Sopoby Heat Shrink Solder Connectors - Waterproof Solder Butt Connector Kit Insulated Automotive Marine Electrical Wire Terminals, 16 Gauge Silicone Wire Spool 50 Feet, Ultra Flexible High Temp 200 deg C 600V 16 AWG Stranded Wire with 252 Strands of Tinned Copper Wire, 25 ft Black and 25 ft Red Wire for Model Battery by MILAPEAK, XSTRAP 4PK Mounting Clamps for Truck Cap/Camper Shells (Large), Car Battery Anti-Corrosion Fiber Washers Acid Chemical Corrosion Terminal Protectors for Battery Cable Connection Point Spot (Pack of 2), Alex Tech 25ft – 1/4" Split Wire Loom Tubing Wire Conduit – Black, Participate in all Tacoma discussion topics, Communicate privately with other Tacoma owners from around the world, Post your own photos in our Members Gallery. I hate the three horizontal bars on top. This is driving me crazy.

I don't know exactly what causes it, though. How many times do you roll damage for Scorching Ray? (as opposed to releasing these fumes to the air and causing air pollution!) There is an evaporative emissions system which "vacuums" the fumes out of the tank more or less.

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