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1991 Saturn SL2 1.9L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on
Howdy Techs. This Saturn is wierd. Runs ok for awhile then goes super rich. Changed oil was fuel fouled, no help. Pegs O2 sensor at high 900 millivolts. Troubleshooter said to check Map sensor out of spec, was ok, said to check block learn and integrator for l...
FIX posted 1/18/2001
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| VIN | 1G8LDST7OM |
| Engine | 1.9 L / 4 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / PORT-FUEL |
| Emissions | OBD-1 |
| Symptoms | Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts Out, Stall, Misfire, Poor Fuel Economy, MIL Lamp On |
| Occurs | Cold, Idle, Intermittently |
| Misc. | 4-Door |
Trouble Codes
| 45 | rich indication |
| 52 | indicator flag-battery voltage out of range |
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Vehicle Data
1991 Saturn SL2
| VIN | 1G8LDST7OM |
| Engine | 1.9 L / 4 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / PORT-FUEL |
| Emissions | OBD-1 |
| Symptoms | Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts Out, Stall, Misfire, Poor Fuel Economy, MIL Lamp On |
| Occurs | Cold, Idle, Intermittently |
| Misc. | 4-Door |
Trouble Codes
| 45 | rich indication |
| 52 | indicator flag-battery voltage out of range |
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