Question about Dodge Durango

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Check engine light is on in my 01 Durango, I had the code read (which wasnt told to me) but I do know it was an emissions code so I bought a new gas cap, which i guess fixes most problems, but it;s still on

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Without knowing the codes it is impossible to guess what will fix your concern

however, since the part store sold you a gas cap I am going to assume that the code was something like a P0442 which is a small leak

that being said there is NO scan tool that will tell you what part needs to be replaced

I would advise you go back to the part store and DEMAND a refund since the gas cap did not fix your concern

additionally, the only way to know where your leak is coming from will be to use a smoke tester which will pressurize the EVAP system so you can find the leak

the possible problems are...
1.) gas tank
2.) purge solenoid
3.) filler neck
4.) all vacuum/evap lines (about a mile worth)
5.) charcoal canister
6.) gas cap

I am sure I'm forgetting something but I think you get the point... lots of parts can cause the code and the light but without the code it is nearly impossible to guess at what part should be replaced next

The gas cap was an easy guess...but a guess nevertheless and obviously WRONG! get your money back and make them give you the code!!!

Posted on May 11, 2010

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