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1995 Chevrolet Blazer 4.3L High Idle
Posted to GM Driveability on 6/3/2002 2 Replies

Apprx evry 3rd or $th engine start the iac count will go to 150 upon engine crank and idle will be at 1600 rpm. Idle will immediately (5 sec,)come down to correct idle. IAC count apprx 35 to 40. No vacuum leaks. fuel pressure within [...] only variation is IAC...

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car Vehicle Data

1995 Chevrolet Blazer

VIN 1GNC513W2S
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / CPI
EmissionsNot OBD-II Compliant
SymptomsHigh Idle
OccursIntermittently
Message Closed

car Vehicle Data

1995 Chevrolet Blazer

VIN 1GNC513W2S
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / CPI
EmissionsNot OBD-II Compliant
SymptomsHigh Idle
OccursIntermittently