» » »

Buick Q&A

Ask Your Question

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

 

Question

davidrussell, Mishawaka, IN, June 02, 2011, 11:39
 Rookie

coil pack and ignition module are good still no spark

1 Answer
Flag This
  • Answer #1

    dandd June 02, 2011, 11:45
    Profile_thumbnail
     Master

    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.

    Reply
    Flag This