2003 Jeep Grand Cherokee "gas tank vapor" Questions

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Question about Jeep Grand Cherokee

3 Answers

...gas tank accepts only a gallon or so of gas before clicking off. It takes a very long time to fill the tank. SOUND LIKE EVAP CONTROL SYSTEM NOT WORKING.COULD HAVE STOPPED UP FUEL SOAK EVAP CHARCOAL ...

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...gas tank is significantly leaking only when almost full. My gas tank is significantly leaking only when just under full. The tank, hoses & gasket have been inspected but it still is leaking. When ...

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gas tank is over 1/4 full. After the tank goes down the light goes off. A loose gas cap will sometimes trigger the service light to come on. Since this appears to have happened on multiple occasions I

Question about Jeep Grand Cherokee

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gas cap is tight and good. PO455 sets when the computer is unable to apply and hold a vacuum to the EVAP system. The EVAP systems job is not to let fuel vapors escape the fuel tank into the atmosphere

Question about Jeep Grand Cherokee

1 Answer

code p0442 Code 442 is for a small leak in the EVAP system. The computer vents the gas tank to the vapor canister when the engine is running. It also checks the system for leaks.

...gas tank and erased the code, but it's reappeared a week later. That code definition is (evaporative system small leak detected). One of the most common reasons for this code is a faulty gas cap. The ...

...on and have a code 455 what is it? It is a leak in the return lines (fuel vapor flow) to the fuel tank could even be a defective non sealing gas cap!!! Have it checked fumes escaping are not

Question about Jeep Grand Cherokee

1 Answer

...gas eventually go away? The charcoal filter is used to filter fumes from the fuel tank. There is a vent line, that comes from your fuel tank to this filter. (Charcoal canister) Now since the charcoal ...

Question about Jeep Grand Cherokee

1 Answer

...gas tank vents itself so the vapor/fumes don't go into the air. most common cause is refilling while the truck is running and the second most common is a bad gas cap. now if you go to auto zone and ...

Question about Jeep Grand Cherokee

2 Answers

...gas comes back out. I assume there is a vent tube on the tank to allow air to escape when filling but I cannot locate it. How do I access the fuel tank air vent? Vent tube runs parallel with filler ...

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