
1998 Chevrolet K1500 Cheyenne 5.7L Poor Idle Quality
Vehicle from another shop, engine has high idle(2000rpm) most of the time, key cycle or cold sit may idle ok for 5min after driving sticks in high again. Iac was aftermarket we replaced unit with a delco same problem. votage test to and from pcm appear to be o...
FIX posted 11/1/2005
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Message Closed w/FIX
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VIN | 2GCEK19R5W |
Engine | 5.7 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality |
Occurs | Always, Idle, Intermittently |
Misc. | Ext Cab 4WD |
Trouble Codes
P0101 | Mass Airflow Sensor Range/Performance |
P1336 | Crankshaft Speed Fluctuation Sensor Circuit Malfunction |
P1509 | Idle Speed Control System High RPM |
Message Closed w/FIX
Vehicle Data
1998 Chevrolet K1500 Cheyenne
VIN | 2GCEK19R5W |
Engine | 5.7 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality |
Occurs | Always, Idle, Intermittently |
Misc. | Ext Cab 4WD |
Trouble Codes
P0101 | Mass Airflow Sensor Range/Performance |
P1336 | Crankshaft Speed Fluctuation Sensor Circuit Malfunction |
P1509 | Idle Speed Control System High RPM |