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1991 Chevrolet Lumina 3.1L Poor Idle Quality, Stall
Greetings. Our customer complained that car stalled a few days ago. Scaned ecm, no codes present. Iac counts were at 40 with a/c off. Inspected throttle, very dirty. cleaned throttle and iac passage, caused iac to go to about 15. Road test, started to idle...
FIX posted 8/31/1999
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| VIN | 2G1WL54TXM |
| Engine | 3.1 L / 6 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI / EFI |
| Symptoms | Poor Idle Quality, Stall |
| Occurs | Intermittently |
Trouble Codes
| 33 | map sensor |
| 44 | lean exhaust |
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Vehicle Data
1991 Chevrolet Lumina
| VIN | 2G1WL54TXM |
| Engine | 3.1 L / 6 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI / EFI |
| Symptoms | Poor Idle Quality, Stall |
| Occurs | Intermittently |
Trouble Codes
| 33 | map sensor |
| 44 | lean exhaust |
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