
1998 Buick Riviera 3.8L Misfire
Have what appears to be a dead miss on cylinder 3. Originally i changed plugs and wires for a history cly 4 misfire. Then did a crack variation relearn and i did a mass air flow for excessive fuel trim. Drove the car and it seemed well, fuel trims were wit...
FIX posted 10/2/2019
![]()
iATN Members:
Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle (View Replies)13 Replies Received(Hide Replies)13 Replies Received
|
Message Closed w/FIX
|
VIN | 1G4GD2211W |
Engine | 3.8 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / SEFI |
Emissions | OBD-II Compliant |
Symptoms | Misfire |
Occurs | Always |
Trouble Codes
P0303 | Cylinder 3 Misfire Detected |
Message Closed w/FIX
Vehicle Data
1998 Buick Riviera
VIN | 1G4GD2211W |
Engine | 3.8 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / SEFI |
Emissions | OBD-II Compliant |
Symptoms | Misfire |
Occurs | Always |
Trouble Codes
P0303 | Cylinder 3 Misfire Detected |