 
				
	| 1999 Volvo S80 T6 2.8L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on Hi Volvo tech's, I'm new to Volvo's. The spark plugs 1-3 looked perfect. 4-6 cyls are fouled out and burning very rich. Called dealer, they suggested all new injectors, along with all new coil packs. No change, fouls 4-6 very quickly. Fuel pressure running abo... 
                        
                            FIX posted 6/27/2006
                               
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| VIN | YV1TS90D6X | 
| Engine | 2.8 L / 6 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | FI / Motronic 7.0 | 
| Emissions | OBD-II Compliant | 
| Symptoms | Excessive Emissions, Poor Idle Quality, Hesitation, Cuts Out, Stall, Misfire, Poor Fuel Economy, MIL Lamp On | 
| Occurs | Always | 
| Misc. | T6 Twin Turbo | 
Trouble Codes
| 261A | long term mixture regulation lower partial throttle | 
| 271A | long term mixture bank 2 lower partial throttle | 
| 3502 | ign failure | 
| 3542 | cyl 4 missfire | 
| 3552 | cyl 5 ign failure | 
| 3563 | cyl 6 missfire | 
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             Vehicle Data
 Vehicle Data
                1999 Volvo S80 T6
| VIN | YV1TS90D6X | 
| Engine | 2.8 L / 6 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | FI / Motronic 7.0 | 
| Emissions | OBD-II Compliant | 
| Symptoms | Excessive Emissions, Poor Idle Quality, Hesitation, Cuts Out, Stall, Misfire, Poor Fuel Economy, MIL Lamp On | 
| Occurs | Always | 
| Misc. | T6 Twin Turbo | 
Trouble Codes
| 261A | long term mixture regulation lower partial throttle | 
| 271A | long term mixture bank 2 lower partial throttle | 
| 3502 | ign failure | 
| 3542 | cyl 4 missfire | 
| 3552 | cyl 5 ign failure | 
| 3563 | cyl 6 missfire | 
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