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I have no firing on cylinder 1 & 4 and I have replaced the ignition coil for cylinders 1 & 4. My car is an 2005 Pontiac Grand Prix GT V6 3800
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Oct 30, 2019
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Remove both spark plug wire from 1- 4 IGNITION COIL - have helper crank engine while watching for ignition spark from coil.... Got sparks ?
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