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GMC Truck
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1997
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G 3500 1 Ton Van V8-5.7L VIN R
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Idle Speed/Throttle Actuator - Electronic
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Service and Repair
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Idle Air Control (IAC) Reset Procedure
>>
With Scan Tool
With Scan Tool
1.
Turn the ignition ON, engine OFF.
2.
Install a scan tool.
3.
Select F4 Misc. Tests.
4.
Select F3
IAC
System.
5.
Select F1
IAC
Reset.
6.
Use up arrow to reset
IAC
.