» » »

Buick Q&A

Ask Your Question

1990 Buick Riviera Question: 1990 riviera cranks but won't start



davidrussell, Mishawaka, IN, June 02, 2011, 14:39

coil pack and ignition module are good still no spark

1 Answer
Flag This
  • Answer #1

    June 02, 2011, 14:45

    Check for injector pulse, if no injector pulse then suspect a bad crank sensor, which will also cause a 'no spark' situation. I worked in GM dealership and this was something that I often found to be a problem with these types of cars of this era.

    Flag This