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1994 Volvo 940 2.3L Excessive Emissions, MIL Lamp on
engine is running lean 16.3 to 1 failing NOX. Replaced MAF and 2 of 3 codes went away. Cold it runs like its starving for fuel and stalls when put into gear. Once warmed up it runs pretty good, a little rough at tip in throttle. Fuel pressure is good, What kin...
Summary posted 12/12/2009
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Related Documents & Media | VIN | YV1JW8313R |
| Engine | 2.3 L / 4 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / BOSCH FI WITH MAF |
| Emissions | CA |
| Symptoms | Excessive Emissions, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| 231 | rich/lean threshold at partial throttle |
Message Closed w/Summary
Vehicle Data
1994 Volvo 940
| VIN | YV1JW8313R |
| Engine | 2.3 L / 4 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / BOSCH FI WITH MAF |
| Emissions | CA |
| Symptoms | Excessive Emissions, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| 231 | rich/lean threshold at partial throttle |
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