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Installed the Halltech Stinger for my 2001 over two months ago
now my check engine light has come on? And per the hand book the check engine light indicates a emissions problem or a change in gas brands (which I always use Chevron Premium 93 oct) Is there any connection? What should I do next?
Engine still runs strong and gas mileage is unchanged
If has been two months and you have been regularly driving, I would suspect it is not related to the Stinger....
What codes do you show?
Is you gas cap tight?
A loose gas cap is the #1 cause of check engine lights... it will take a while to clear if that is the issue
You need to check for codes, it could be totally unrelated to your stinger install. I have only heard of Z06's setting the check engine light soon after install.
I was running gas tank on Empty when light came on. And have only drivin it 15 to 20 miles since refilling tank. Has that ever caused anyones check engine light to come on, if so how long to clear itself?