Check engine light is always on and want to get it to go away

Asked by Guru95CP4R Jan 05, 2021 at 11:04 PM about the 2006 Chrysler Pacifica FWD

Question type: Maintenance & Repair

Check engine light came on had the codes and had repairs done but gas cap
keep coming up I've purchased 3 already

2 Answers

F_O_R answered 3 years ago

You should post the codes. I think you need a smoke test on the EVAP system to find the leak.

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Randy answered 3 years ago

Just dealt with this.. i tried the gas cap and nothing changed. I ran an instrument in my o b d port and it read evap emissions. Try your purge valve and switch to a higher octane gas. Secondly, quit using your cosmetic circuit 12v. Because it throws off the polarity and causes the diodes to capacitor to work too much but enough throw off the ECM. I quit using mine and CEL went right off

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