× 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
1987 Pontiac Fiero Sport 2.5L Poor Idle Quality, Cuts out, Misfire
Posted to GM Driveability on 4/3/2001

Vehicle misfires at all RPMS. The scan tool data reads timing to be between 32 and 52 degress at idle. If you spay fuel misfire will go away. I thing the timing is way to advance. Cam timing has been check and marks line up perfect.

  Related Documents & Media  1987 Pontiac Fiero Sport

 
Message Closed

car Vehicle Data

1987 Pontiac Fiero Sport

VIN 1G2PE11R5H
Engine2.5 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFI / TBI
EmissionsFed
SymptomsPoor Idle Quality, Cuts Out, Misfire
OccursAlways
Message Closed

car Vehicle Data

1987 Pontiac Fiero Sport

VIN 1G2PE11R5H
Engine2.5 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFI / TBI
EmissionsFed
SymptomsPoor Idle Quality, Cuts Out, Misfire
OccursAlways