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1996 Chev/GMC Truck Yukon 5.7L Poor Idle Quality, Hesitation, Misfire
THIS ONE HAS GOT ME STUMPED,RUNS GREAT ABOVR IDLE, AT IDLE IT HESITATES, AND IS WORSE IN GEAR, CK EGR SYSTEM AND FUEL PRESS. I HAVE NO CODES AND SHORT TERM FUEL IS GOOD. I THINK THERE IS A TSB ON REPROGRAMING THE ECM TO RICHIN FUEL MIXTURE AT IDLE, BECAUSE...
FIX posted 7/11/2000
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| VIN | [No VIN Available] |
| Engine | 5.7 L / 8 cyl |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Hesitation, Misfire |
| Occurs | Idle |
| Misc. | OBD 2 |
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Vehicle Data
1996 Chev/GMC Truck Yukon
| VIN | [No VIN Available] |
| Engine | 5.7 L / 8 cyl |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Hesitation, Misfire |
| Occurs | Idle |
| Misc. | OBD 2 |
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