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How do you see if the coil is working on 2002 Chevy?

Updated: 8/17/2019
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13y ago

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If theres a miss fire on a cylinder you check engine light will tell you.. Switch the coil from that cylinder to another and siwtch that coil to the cylinder that the computer says is missifing.

If the cylinder you put your suspected coil on miss fires then you know its a bum coil.

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13y ago
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Q: How do you see if the coil is working on 2002 Chevy?
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