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1998 Chevrolet K1500 Cheyenne 5.7L Poor Idle Quality, Surge
New customer, unknown history, truck runs great above 700 rpm but idle will fluctuate 400 rpm have check fuel pressure, map, have installed know good maf, tp, and iac, checked trans range switch and showed in park, O2 sensors are both moveing good, Cmp retard ...
FIX posted 10/19/2012
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Message Closed w/FIX
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25 Replies Received
25 Replies Received
Related Documents & Media | VIN | 1GCEK19R4W |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Surge |
| Occurs | Idle |
Trouble Codes
| P0440 | EVAP System Leak Detected |
| P1631 | TCM Internal - Clock Processor Performance |
Message Closed w/FIX
Vehicle Data
1998 Chevrolet K1500 Cheyenne
| VIN | 1GCEK19R4W |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Surge |
| Occurs | Idle |
Trouble Codes
| P0440 | EVAP System Leak Detected |
| P1631 | TCM Internal - Clock Processor Performance |
Video