
1997 Chevrolet K3500 Cheyenne 5.7L Very High Idle
engine rpm @ 2800 rpm. smoke tested - okay. throttle plate closed. scanned for codes - no codes. swap iac, and pcm - no change. tried unplugging other sensors,no change. iac reads .o counts. unplug tps- still high, also has 5 vol ref. has 4.8v ref sweep(wot). ...
FIX posted 3/24/2009
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Message Closed w/FIX
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VIN | 1GCHK33F6V |
Engine | 5.7 L / 8 cyl / GAS |
Trans | 5-speed Standard |
Delivery | FI / SEFI |
Emissions | OBD-II Compliant |
Symptoms | Very High Idle |
Occurs | Always |
Message Closed w/FIX
Vehicle Data
1997 Chevrolet K3500 Cheyenne
VIN | 1GCHK33F6V |
Engine | 5.7 L / 8 cyl / GAS |
Trans | 5-speed Standard |
Delivery | FI / SEFI |
Emissions | OBD-II Compliant |
Symptoms | Very High Idle |
Occurs | Always |