× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
1989 Pontiac Grand Am LE 2.5L Backfire
Posted to GM Driveability on 4/30/2001

This car will run fine at times but will sometimes backfire on snap acceleration or intermittently miss. We first installed a crank sensor, module & both coils. We shipped the car because it was running fine. It came back the next day sputtering & backfiring. ...

  Related Documents & Media  1989 Pontiac Grand Am LE

 
Message Closed w/FIX

car Vehicle Data

1989 Pontiac Grand Am LE

VIN [No VIN Available]
Engine2.5 L / 4 cyl / GAS
Trans3-speed Automatic
DeliveryFI / tbi
SymptomsBackfire
OccursIntermittently
Message Closed w/FIX

car Vehicle Data

1989 Pontiac Grand Am LE

VIN [No VIN Available]
Engine2.5 L / 4 cyl / GAS
Trans3-speed Automatic
DeliveryFI / tbi
SymptomsBackfire
OccursIntermittently