× 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
1988 Pontiac Grand Am 2.3L Poor Idle Quality
Posted to GM Driveability on 12/7/2000

This one's running on two cylinders...injectors #2 and #3 do nothing at all...#s 1 and 4 show a good peak and hold on the Vantage, #s 2 and 3 show only an occassional RF noise-like pattern that dips to negative voltage and never spikes upwards...I tested for c...

  Related Documents & Media  1988 Pontiac Grand Am

 
Message Closed w/FIX

car Vehicle Data

1988 Pontiac Grand Am

VIN 1G2NW54DLC
Engine2.3 L / 4 cyl / GAS
Trans3-speed Automatic
DeliveryFI
SymptomsPoor Idle Quality
OccursAlways
Misc.Heap...

Trouble Codes

26quad driver failure
Message Closed w/FIX

car Vehicle Data

1988 Pontiac Grand Am

VIN 1G2NW54DLC
Engine2.3 L / 4 cyl / GAS
Trans3-speed Automatic
DeliveryFI
SymptomsPoor Idle Quality
OccursAlways
Misc.Heap...

Trouble Codes

26quad driver failure