1991 Buick Park Avenue Car Will Start Tried Diagnostics Test On ECM Service

1991 BUICK PARK AVENUE
209,192 MILES
Avatar
WALTERGROFF
  • MEMBER
  • 1 POST
Car will not start. Tried to do diagnostics test on ecm but no service engine light comes on. How do I make sure the ecu is bad before I make the decision to purchase new one.
Apr 5, 2013 at 3:51 PM
Advertisement
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.