Question about 2007 Dodge Ram Truck

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Gascap comes on my dash. But the gascap is shut tight!

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That doesn't mean that there is not gas escaping from it. Sometimes the seal isn't good and it will leak. I have actually had that problem and it didn't seem like the cap was bad at all. I replaced it and problem went away. So you probably wouldn't even know if it wasn't for the light. Hope that helped you out.

Posted on Mar 12, 2011

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Please try to remove the positive battery connector and let it sit for at least 5mins. or more before reconnecting it. This will reset the system and can get it back to it's normal operation.

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About a month ago my gascap light came on on my 2008 dodge avenger. I replaced it with a locking gascap and about a day later it went away. Today it came back on. What could the problem be?


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Fuel cap light keeps coming on and then the check engine light. This was repaired two weeks ago and light came on last night.


Hello, what did someone do to repair it? Here is what you need to do. Go to Autozone or Oreillys and get a free scan. If it still shows gascap then ask them to clear the onboard computer. With the engine off, tighten your gascap again.

Everytime you put on the gascap loosely, you will get this alarm and it will stay on 25-35 Startups or until you get the computer cleared.

However, if you eliminate the gascap there are other problems which you may have that require a special tool called a smoke machine. You have a leak in one of your pollution hoses for the fuel tank. Only the smoke machine can find a small leak like this. Once you find the leak it is a simple matter to fix.

You can call around to find a repair shop with the proper equipment. I hope you find my solution informative and feel well served.

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You will need to get the code befoe anyone can begin to diagnose this, There are about 5 parts that can cause this problems. The gas cap is one of them. If anyone has been uner the hood just pryor to this happening its possible they left a vacuum hose off or maybe broke one.

If this car is really an 07 then this being an emission issue you are covered under warrenty. Take it to the dealer.

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