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Old 12-24-2010, 06:40 AM
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Re: Check Engine Light at 40-45mph

Quote:
Originally Posted by thenextyou View Post
It is a steady check engine light. There are also no knocks or pings. I can try bringing the timing back to 0 to see if that makes any difference. I have a 94 Sierra that is set up the same way and it is not experiencing any issues like this.
When the light comes on check for codes before you turn engine off.
Post back code no.
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