 
				
	| 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 13 Replies Received (View Replies)13 Replies Received (Hide Replies)
 | Message Closed w/FIX 
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| 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
 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 | 
 13 Replies Received
13 Replies Received
 13 Replies Received
          13 Replies Received
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