1991 Pontiac Bonneville

1991 PONTIAC BONNEVILLE
195,000 MILES
Avatar
SPACYTRACY
  • MEMBER
  • 1 POST
Will start when cold but after is warm wont start again til it cooled down..have changed the ICM and Coil Pack..I don't know what else to so I.m ready to take it to the crusher..oh I put a radiator and water pump on it first..believing this was the problem.has a new thermostat before this problem started..at my witt's end!!
Oct 13, 2013 at 6:22 PM
Advertisement
Avatar
JACOBANDNICKOLAS
  • ✓ASE Certified Mechanic
  • 110,194 POSTS
  • ASE Certified Mechanic
When it doesn't start, have you checked for spark and fuel to the engine? Also, does it have more than one coil pack? Have you checked the ignition module? If it has more than one coil, have you checked t
Oct 13, 2013 at 7:24 PM
Avatar
JACOBANDNICKOLAS
  • ✓ASE Certified Mechanic
  • 110,194 POSTS
  • ASE Certified Mechanic
Don't know why that happened, but anyway, did you check the digital ignition control unit (DIC)?
Oct 13, 2013 at 7:24 PM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.