what is service engan code 661,662,663,664 mean
Nov 16, 2012 at 8:25 AM
2006 Chevrolet Colorado Service Engan Code 661 662 663 664 Mean
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If that is p0661--4, I found the codes, but, I can't find info that says they apply to your vehicle? MOD doesn't list those codes for your vehicle. They are codes for intake manifold control valve circuit. That valve usually applies to a spider fuel system. I haven't worked on your particular year--make--model.
Nov 16, 2012 at 9:14 AM
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