2002 Chrysler Van service engine light is on

EVIEFOR3

MEMBER
2002 CHRYSLER VAN
6 CYL
2WD
AUTOMATIC
114,895 MILES

I have just moved to tennessee and they require an emissions test. My van failed for
P0442 and P0455
my service engine light was on. After it failed I stopped at a service shop and they said that I should get a gas cap from a dealer and see if that fixes the problem. Today I drove a bazillion miles to a dealer and bought a new cap and put it on. Will the service engine light go out automatically if that was the problem or does it need to be cleared? If it just needs to be cleared is that something that I can do myself?

thank you
evelyn

3 Replies

TOOOMANYTOYS

MECHANIC
513 POSTS

The code would need to be cleared. You can try and disconnect the battery. This will reset the light, but the code will still be stored on history

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Thursday, February 25th, 2010 AT 12:25 PM

EVIEFOR3

MEMBER
2 POSTS

Thank you so much for your rapid response!
If the light is cleared but it still shows up in history would I then still fail the emissions test even if I replaced the gas cap with factory replacement or would I only fail if the gas cap didn't fix the problem? Or if the gas cap doesn't fix the problem would the light just come back on again letting me know that I still have a problem?