Rick's Free Auto Repair Advice

Posts Tagged: test ignition coil

Test an ignition coil

How to test an ignition coil Start with a visual examination of the ignition coil Test an ignition coil with visual and electrical tests. You’re looking for cracked plastic, damaged electrical connector, signs of heat damage or distortion The ignition coil damage shown above is often caused by driving with worn out spark plugs or worn spark plug wires. When the spark plug gap erodes to the point where the spark can no longer jump the gap, that electrical energy instead finds its way to ground by firing right through … Read More


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