Acts like timing is off when starting, backfires and damaged starter. ok when running!

Asked by Mar 16, 2013 at 09:19 PM about the 2001 Chevrolet Cavalier LS Sedan FWD

Question type: Maintenance & Repair

Started to act like timing was out of adjustment when starting. once started, it runs and drives perfect. checked timing chain and gears and no problems. replaced old and greasy plug wires with no change. could this be the computer or coil packs?

3 Answers

23,085

no computer more like coil pak leaking.or ing. moduel ,ck. coil for burn tracks, under side,then moduel

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78,095

Double check to make sure the spark plug wires are hooked up to the correct cylinders. Misrouted wires can cause backfiring. I, ahem, know from experience. HTH. - Jim

Checked coil paks and see no tracks or cracks. Ing module is $200. any way to confirm this is the issue before replacement? Will replace Ing coils as preventative.

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