Question about Chevrolet 1500
This engine is made to run on 87 octane.Sometimes when using a higher octane can cause a check engine light or other driveability problems.If you don`t think it is your knock sensors then get some used ones at the salvage yard and try them.They are under the upper intake plenum.
Posted on Nov 20, 2009
Testimonial: "thanks for the info, I will try new knock sensors"
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Posted on Jan 02, 2017
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