First, The onboard display said to check the gas cap. I screwed it and the message stopped. Then a few days later, the check engine light came on. I brought it to my local AutoZone and they said the code (it was either 804 or 809) indicated a problem with my gas cap. I replaced it twice and had the code erased twice and it came on again!! What's the problem???
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2006 Chevy Trailblazer Engine code problem?
- Thread starter timh1111
- Start date
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