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1994 Volvo 850 Turbo 2.3L Excessive Emissions, Poor Fuel Economy, MIL Lamp on, black smoke
Car was towed in for no [...] the air mass sensor got it started,we cleaned the sparkplugs,reset the check engine light and drove [...] came back on, car blows black smoke from exhaust on acceleration and loads up at [...] checking fuel pressure a second time ...
FIX posted 11/12/1998
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Related Documents & Media 
| VIN | YV1LS5715R |
| Engine | 2.3 L / 5 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions, Poor Fuel Economy, MIL Lamp on, Black Smoke |
| Occurs | Always |
| Misc. | Sedan |
Trouble Codes
| 121 | air mass sensor |
| 141 | turbo boost regulator |
Message Closed w/FIX
Vehicle Data
1994 Volvo 850 Turbo
| VIN | YV1LS5715R |
| Engine | 2.3 L / 5 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions, Poor Fuel Economy, MIL Lamp on, Black Smoke |
| Occurs | Always |
| Misc. | Sedan |
Trouble Codes
| 121 | air mass sensor |
| 141 | turbo boost regulator |
Video