× 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
1999 Pontiac Grand Am SE 2.4L Poor Idle Quality, Misfire, MIL Lamp on
Posted to GM Driveability on 10/17/2006 6 Replies

It has new plugs, plug boots two new computers, coil cover fuel injection cleaning,fuel filter and extra 02 sensor ground at pin 21 of computer. pulled injectors out. and watched spray pattern out of car while cranking all looks good. this is a non egr engine....

6 Replies Received (View Replies)

  Related Documents & Media  1999 Pontiac Grand Am SE

 
Message Closed w/FIX

car Vehicle Data

1999 Pontiac Grand Am SE

VIN 1G2NE52T4X
Engine2.4 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursAlways, Idle

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
Message Closed w/FIX

car Vehicle Data

1999 Pontiac Grand Am SE

VIN 1G2NE52T4X
Engine2.4 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursAlways, Idle

Trouble Codes

P0171Fuel System Too Lean (Bank 1)