Having problems with your Cars & Trucks ?

97 Chevrolet blazer, have code ignition coil 1-4 control. Circuit high input. Has detected open or short circuit. It misses more at low are idle speeds. When first cranked in morning. Cranks ok,after running and warm you have to hold over and push petal nearly to the floor. Where do I start?

Posted / edited by AnonymousUser on : 25-10-2021

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