1992 Chevy Cavalier Car won't start ECM Fuse blown

1992 CHEVROLET CAVALIER
149,000 MILES • 4 CYL • FWD • AUTOMATIC
Avatar
GTRGILBERT541
  • MEMBER
  • 14 POSTS
today my car just quit while on my way to work. i had it towed to a mechanic and he looked over everything. replaced all fuses replaced all relays changed the crank sensor, made sure the fuel pump was working replaced ecm and the car still won't start, so next we tested the car for engine codes and it said no communication with module any help would be great
Oct 1, 2008 at 1:27 PM
Advertisement
Avatar
2CARPRO JACK
  • ✓Experienced Mechanic
  • 11,533 POSTS
If it wont communicate there is still a problem with the ecm or the wiring to it. Is there power at the diagnostic connector? if so you need to do a pin to pin voltage test at the ecm to determine what is missing. Could be a bad wire or connection somewhere.
Oct 3, 2008 at 1:13 AM
Avatar
GTRGILBERT541
  • MEMBER
  • 14 POSTS
Thanks was a wire that burned into
Oct 5, 2008 at 3:47 AM
Avatar
2CARPRO JACK
  • ✓Experienced Mechanic
  • 11,533 POSTS
Good find..
Oct 6, 2008 at 12:46 AM
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.