1988 Cadillac Deville Miss and backfire thru carb

1988 CADILLAC DEVILLE
105,000 MILES • 4.5L • V8 • FWD • AUTOMATIC
Avatar
CHUCK57201
  • MEMBER
  • 2 POSTS
When the car is cold it runs perfect
After about five minutes it starts missing and backfires when I accelerate the warmer
It gets the worse it gets
Have had it to Tiresplus and a GM Dealer and spent to much money
Car still runs bad

Chuck
Jul 10, 2015 at 2:29 PM
Advertisement
Avatar
HMAC300
  • CERTIFIED EXPERT
  • 48,601 POSTS
scan f codes and have ignition module checked as well as pick up coil it may have the wires worn out to pickup coil to module and causing the problem
Jul 11, 2015 at 10:08 AM
Avatar
CHUCK57201
  • MEMBER
  • 2 POSTS
Had all wiring checked by GE Dealer and was ok
Jul 11, 2015 at 11:00 AM
Advertisement
Avatar
HMAC300
  • CERTIFIED EXPERT
  • 48,601 POSTS
the pickup coil is in dist so it may be worn or to many ohms it h s to be physically checked not the wires outside dist. or it may be a coil problem
Jul 11, 2015 at 11:05 AM