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1991 Oldsmobile Cutlass Supreme 3.1L Poor Idle Quality
Engine was running good. Removed intake manifold to correct oil leak. On startup,had high idle,1500 rpm. replaced IAC motor,codes gone,still have high idle, 1000rpm. My scanner only goes to 1986. Any suggestions appreciated
FIX posted 12/22/1998
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| VIN | 1G3WH54T8M |
| Engine | 3.1 L / 6 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI / PFI |
| Emissions | US Federal |
| Symptoms | Poor Idle Quality |
| Occurs | Always |
| Misc. | 4 Dr |
Trouble Codes
| 22 | tps |
| 23 |
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Vehicle Data
1991 Oldsmobile Cutlass Supreme
| VIN | 1G3WH54T8M |
| Engine | 3.1 L / 6 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI / PFI |
| Emissions | US Federal |
| Symptoms | Poor Idle Quality |
| Occurs | Always |
| Misc. | 4 Dr |
Trouble Codes
| 22 | tps |
| 23 |
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