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1991 Volvo 240 2.3L Poor Idle Quality, Hesitation, Surge, MIL Lamp on, flattens out @ high
Car came in with check engine light. Had codes 231,113,232,221,121. Car runs poor, boggs on accel, sluggish, runs rough. Put 02 sensor in it, still had code 232 but rest of codes didnt come back. Volvo tech said to check for exhuast leaks. Found two leaks ...
FIX posted 11/18/1999
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Related Documents & Media 
| VIN | YV1AA885XM |
| Engine | 2.3 L / 4 cyl |
| Emissions | Ca emmissions |
| Symptoms | Poor Idle Quality, Hesitation, Surge, MIL Lamp on, Flattens Out @ High |
| Occurs | Always, on Accel, Idle |
| Misc. | Wagon; K-Jetronic |
Trouble Codes
| 113 | Fault in fuel injector broken lead clogged |
| 121 | Signal to/from mass air flow sensor faulty |
| 221 | Oxygen sensor not operating |
| 231 | Self adjusting oxygen sensor not operating |
| 232 | Self adjusting oxygen sensor not operating |
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Vehicle Data
1991 Volvo 240
| VIN | YV1AA885XM |
| Engine | 2.3 L / 4 cyl |
| Emissions | Ca emmissions |
| Symptoms | Poor Idle Quality, Hesitation, Surge, MIL Lamp on, Flattens Out @ High |
| Occurs | Always, on Accel, Idle |
| Misc. | Wagon; K-Jetronic |
Trouble Codes
| 113 | Fault in fuel injector broken lead clogged |
| 121 | Signal to/from mass air flow sensor faulty |
| 221 | Oxygen sensor not operating |
| 231 | Self adjusting oxygen sensor not operating |
| 232 | Self adjusting oxygen sensor not operating |
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