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2003 Chevy Cavalier the check engine light and trac off light?
I have a 2003 Chevy Cavalier. yesterday the check engine light came on and then this morning the trac off light came on. The car has been running fine. Last time the check engine light came on it was the O2 sensor. But the light went off and didn't come back on until yesterday. ANy ideas what could be wrong?
2 Answers
- Anonymous1 decade agoFavorite Answer
check your gas cap... you may need to replace it
- 1 decade ago
I have a 2002 Checy Cavalier and it did the same thing, and turns out both of my O2 sensors went bad. I changed the one at the top, but there is one at the bottom as well that had to be change. The only thing that i found with the Cavalier's is that the sensors go bad very quickly because now i need to replace the top again after 1yr. Nobody sells the sensors but the dealer, so good luck.