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1993 Pontiac Grand Prix SE 3.4L High Idle
Posted to GM Driveability on 5/2/2000

WHEN THIS VEHICLE IS COLD i.e. AFTER SETTING OVERNIGHT, IT WILL IDLE BETWEEN 2500 - 3000 RPM UNTIL IT REACHES NORMAL OPERATING TEMP. SCAN DATA SHOWS IAC COUNTS AT '0'. REMOVED THE IAC VALVE AND THE PINTLE WAS FULLY EXTENDED. I PLUGGED THE IAC PORT WITH A RUBBE...

  Related Documents & Media  1993 Pontiac Grand Prix SE

 
Message Closed w/FIX

car Vehicle Data

1993 Pontiac Grand Prix SE

VIN 1G2WJ14XXP
Engine3.4 L / 6 cyl / GAS
Trans3-speed Automatic
DeliveryFI / EFI
EmissionsUS FED EMISSIONS
SymptomsHigh Idle
OccursCold

Trouble Codes

35incorrect idle speed
Message Closed w/FIX

car Vehicle Data

1993 Pontiac Grand Prix SE

VIN 1G2WJ14XXP
Engine3.4 L / 6 cyl / GAS
Trans3-speed Automatic
DeliveryFI / EFI
EmissionsUS FED EMISSIONS
SymptomsHigh Idle
OccursCold

Trouble Codes

35incorrect idle speed