× 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
1993 Pontiac Bonneville SE 3.8L Excessive Emissions, Poor Idle Quality, Surge, Poor Fuel Economy
Posted to GM Driveability on 5/29/2007 11 Replies

i have a rich running condition. when engine hot i can run engine at 2000 rpm and fuel trims are 182 and 149. i bring back down to idle and fuel trim will back down for approximately 1 to 2 minutes then go back up. this has had a new maf sensor, 2 brands of o2...

11 Replies Received (View Replies)

  Related Documents & Media  1993 Pontiac Bonneville SE

 
Message Closed w/FIX

car Vehicle Data

1993 Pontiac Bonneville SE

VIN 1G2HX53LXP
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sfi
Emissionsus fed emissions
SymptomsExcessive Emissions, Poor Idle Quality, Surge, Poor Fuel Economy
OccursAlways, Hot, Idle
Message Closed w/FIX

car Vehicle Data

1993 Pontiac Bonneville SE

VIN 1G2HX53LXP
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sfi
Emissionsus fed emissions
SymptomsExcessive Emissions, Poor Idle Quality, Surge, Poor Fuel Economy
OccursAlways, Hot, Idle