1991 Oldsmobile Cutlass Supreme 3.1L Poor Idle Quality, Stall
vehicle will not idle unless you create a vacum leak replaced iac and cleaned throttle by pass passage confirmed egr is not sticking on. car will run if we work the throttle and allow air into intake. o2 sensor reads rich on datastream and car is running rich....
FIX posted 2/4/2005
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Vehicle Data1991 Oldsmobile Cutlass Supreme
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Vehicle Data
1991 Oldsmobile Cutlass Supreme
VIN | 1G3WR51T1M |
Engine | 3.1 L / 6 cyl / GAS |
Trans | 4-speed Automatic |
Delivery | FI / MULTIPORT |
Emissions | OBD1 |
Symptoms | Poor Idle Quality, Stall |
Occurs | Idle, Intermittently |