× 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
1998 Pontiac Bonneville SE 3.8L Misfire, MIL Lamp on
Posted to GM Driveability on 12/19/2002 13 Replies

vehicile came in with check engine light po306, po300 and a coolant leak not visible determined intake and replaced. now it is not using coolant but cant fix misfire codes and an o2 code appeared today have been dealing with others for 2 weeks i am using ease ...

13 Replies Received (View Replies)

  Related Documents & Media  1998 Pontiac Bonneville SE

 
Message Closed w/FIX

car Vehicle Data

1998 Pontiac Bonneville SE

VIN 162HX52K8W
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursIntermittently

Trouble Codes

P0300Multiple Misfire Detected
P0306Cylinder 6 Misfire Detected
P1133Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching
Message Closed w/FIX

car Vehicle Data

1998 Pontiac Bonneville SE

VIN 162HX52K8W
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursIntermittently

Trouble Codes

P0300Multiple Misfire Detected
P0306Cylinder 6 Misfire Detected
P1133Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching