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1993 Chevrolet Lumina Z34 3.4L Poor Idle Quality, HIGH IDLE 2800 RPM
Posted to GM Driveability on 3/21/2003 6 Replies

high idle on cold start,code 35 idle circuit,replaced iac motor,lower&upper intake gaskets,clean injectors,clean throttle body,checked iac circuits,wiring,tried known good ecm. checked fuel pressure ok,replaced prom with update.

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car Vehicle Data

1993 Chevrolet Lumina Z34

VIN 2G1WP14X8P
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / PFI
EmissionsFEDERAL
SymptomsPoor Idle Quality, High Idle 2800 RPM
OccursCold
Misc.Current Calibration Installed

Trouble Codes

35idle circuit
Message Closed

car Vehicle Data

1993 Chevrolet Lumina Z34

VIN 2G1WP14X8P
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / PFI
EmissionsFEDERAL
SymptomsPoor Idle Quality, High Idle 2800 RPM
OccursCold
Misc.Current Calibration Installed

Trouble Codes

35idle circuit