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1990 Chevrolet Lumina 3.1L Excessive Emissions, Poor Idle Quality, Surge, Stall
When cold, or in open loop everything is fine . But when in closed loop idle surges, integrator drops to 80, block learn is at 100. Integrator will jump back to 128 while still in closed loop and work back down to 80. O2 is switching normally while this is hap...
FIX posted 1/4/2004
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15 Replies Received
15 Replies Received
Related Documents & Media | VIN | 2G1WL54T8L |
| Engine | 3.1 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI |
| Symptoms | Excessive Emissions, Poor Idle Quality, Surge, Stall |
| Occurs | Hot |
Message Closed
Vehicle Data
1990 Chevrolet Lumina
| VIN | 2G1WL54T8L |
| Engine | 3.1 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI |
| Symptoms | Excessive Emissions, Poor Idle Quality, Surge, Stall |
| Occurs | Hot |
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