Rick's Free Auto Repair Advice

Posts Tagged: ignition coi

Diagnose misfires

Diagnose misfires If you own a vehicle with coil packs and spark plug wires or a coil-in-plug setup, you may see these misfire codes. This post will help you diagnose misfires. Diagnose misfires — is it the spark plug or the ignition coil? Whether your engine is equipped with coil packs and spark plug wires or coil-on-plugs, always diagnose misfires by checking the spark plugs. Why? Because a worn or damaged plug can degrade your spark plug wires and even damage the ignition coil. If you replace the wires or … Read More


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