Why will my 93 lumina 3.1 not start?

Asked by Jan 20, 2014 at 06:19 PM about the 1993 Chevrolet Lumina

Question type: Maintenance & Repair

Replaced ICM and crank sensor has spark
and is getting fuel in cylinders. Backfires
once usually when cranked but just won't
start.

1 Answer

61,305

Run a compression test. If all cylinders test low your timing chain has jumped. HTH. -Jim

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