2007 Dodge Durango Q&A
2007 Dodge Durango Question: gas cap light
A scan tool will definitely reset the light but as with any OBD2 vehicle the on board computer in your car will carry out an evaporitve emission test when certain criteria is met (speed, level of fuel in the tank, change in temperature), once it sees the criteria is met it does the test if it sees the gas cap is tight and the tank will hold a vacuum it will automatically turn off the light. May take a week or so or the criteria to be met. - patrick mannion
Large chain auto parts stores will do a scan for free (make sure you get an experienced employee). If the evap code is the problem have them clear it and drive on. If it comes back or a different code comes up find a reputable shop. - Visitor
I have a 2007 Durango. I had the gas cap indicator come on a while back. I took it to auto zone and they did the diagnosis. I bought a new gas cap and cleared it. The next day same thing. I took it to a shop. They found that the aftermarket cool air intake that I put on was loose, fix it. A day later light back on. Took it to the Dealer, they couldnt find anything wrong. Months later my light is still on along with the engine light. This is obviosly some kind of issue if it has occurred this many times. HELP!!!! I dont know when something actually does go wrong with my car - jimjessup
i have the same exact problem right now. My vehicle has been in the shop 6 times in 7 weeks. How did you solve your problem? Please email me at firstname.lastname@example.org - Visitor
I had the same problem with my 07 Durango. According to "Pat Goss" of "Motorweek"......"You need to test the Evaporative emission control system (EVAP). The light refers to the gas cap because that is the most likely cause but by no means the only cause. The typical problem is that the driver didn't properly tighten the cap after filling the tank. The number one problem other than improperly tightened cap we find is a leaking canister purge valve followed by a disconnected or broken hose at the vapor canister." Problem solved! - Ray from Lansdowne
Same problem here. YEsterday when I filled up, gas leaked all over the ground. So I suspect the air leak is not with the gas cap, but in the fuel tank/pipe area. Will bring it in to get looked at. - mattwas
my check engine light is on had it checked computer said needed new gas cap; replaced it three times once with Oreily, one from 2002 Durango at savalge yard, and a new cap from Dodge; still on ....
I was told if the check engine light came on and it was because of the gas cap, that the light would go off after some recycle. Is this true? How long or how many miles does this take?
is their a fuse or something to take to stop the the warning of the gas cap setting my engine light off
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