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	 1999 Volvo S80 T6 2.8L Hesitation, Misfire, MIL Lamp on 
		
		Car will start and run, idle a bit rough, check engine light on. Poor acceleration, be do not feel a missfire all of the time, but on accasion it will bump like a plug or coil?? We did test both of the front o2'S, and tested bad. replaced both with no good res... 
                        
                            FIX posted 11/12/2009
                             
                 
                            
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           Message Closed w/FIX 
	   
	   
	   
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| VIN | XV1TS90D4X | 
| Engine | 2.8 L / 6 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | FI | 
| Emissions | OBD-II Compliant | 
| Symptoms | Hesitation, Misfire, MIL Lamp On | 
| Occurs | Always | 
Trouble Codes
| P0134 | Air Fuel Sensor (Bank 1 Sensor 1) Heater System Malfunction | 
| P0155 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction | 
| P0300 | Multiple Misfire Detected | 
| P0306 | Cylinder 6 Misfire Detected | 
Message Closed w/FIX
            
            
 Vehicle Data
                1999 Volvo S80 T6
| VIN | XV1TS90D4X | 
| Engine | 2.8 L / 6 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | FI | 
| Emissions | OBD-II Compliant | 
| Symptoms | Hesitation, Misfire, MIL Lamp On | 
| Occurs | Always | 
Trouble Codes
| P0134 | Air Fuel Sensor (Bank 1 Sensor 1) Heater System Malfunction | 
| P0155 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction | 
| P0300 | Multiple Misfire Detected | 
| P0306 | Cylinder 6 Misfire Detected | 
                            
15 Replies Received
          15 Replies Received
          
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