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1990 Chevrolet Lumina 3.1L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, Poor Fuel Economy
This one came in running rough, dies, bucking, surging, backfiring. Checked for codes and none present. checked data and MAP/Baro at 3". TPS at 0v. Tested 5v ref circuit 0v from ECM. Tested power supply and grounds all good. replaced ECM and same problem occur...
FIX posted 6/19/2008
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Related Documents & Media | VIN | 2G1WL54T1L |
| Engine | 3.1 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI |
| Symptoms | Excessive Emissions, Poor Idle Quality, Hesitation, Cuts Out, Stall, Misfire, Poor Fuel Economy |
| Occurs | Always |
Message Closed w/FIX
Vehicle Data
1990 Chevrolet Lumina
| VIN | 2G1WL54T1L |
| Engine | 3.1 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI |
| Symptoms | Excessive Emissions, Poor Idle Quality, Hesitation, Cuts Out, Stall, Misfire, Poor Fuel Economy |
| Occurs | Always |
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