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Gary

Gary 10/18/2012

1994 Buick Park Avenue Ultra 6 Cyl 3.8L

Engine

Cranks fast, Won't fire, Checked fuses, all else seems to be working, No spark?

1 Answer


HouseCallAuto

HouseCallAuto 10/18/2012

your cause is either a bad crankshaft position sensor or a bad ignition control module. The ign module is easy to replace but part is expensive. the crank sensor is not expensive but requires removing the harmonic balancer with a special puller. They both fail almost equally but I have replaced more often the crank sensor than the ign module. If there is a fault code stored for the crank sensor then forget the module and do the crank sensor. Suggest you check the codes with a code reader that will do 94 gm cars.

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