Question about 1997 Pontiac Grand Prix

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No fire at coil packs, was running good, shut it off and no fire now.

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You may need a shop manual or repair book to diagnose it.
You would need to know if the ignition module is getting power and a ground signal from the engine computer.

Posted on Mar 29, 2015

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Posted on Jan 02, 2017

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SOURCE: 1994 pontiac transport se not firing in first coil pack at idle

ARE YOU CHEKING SPARK OFF THE COIL TOWER OR AT THE SPARK PLUG END OF THE WIRE SOUNDS LIKE YO HAVE A BAD WIRE

Posted on Apr 24, 2009

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