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Old 06-15-2020, 06:57 PM   #4
SoCalSlaughter
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Join Date: Aug 2010
Location: Ventura
Posts: 151
Re: 89 S10 4.3 misfire

I've taken the throttle body off and checked, its not ripped. Haven't replaced the coil on the truck. Last night we did a compression test. Cylinder 2 and 6 have 120 psi. Cylinder 5 had 150. Cylinder 1 and 3 had about 135. I think the engine is toast.
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2011 Chevy Silverado Crew Cab LT
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