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1999 Pontiac Grand Prix SE 3.1L High idle
Posted to GM Driveability on 4/13/2007 7 Replies

Hi. I just installed a used engine in the vehicle. Now i get a high idle around 2000 rpm. Sometimes if i turn the key on and then back off before i start the car it will idle normally. Lately even that is not working. I swaped the iac and throttle body from th...

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  Related Documents & Media  1999 Pontiac Grand Prix SE

 
Message Closed w/FIX

car Vehicle Data

1999 Pontiac Grand Prix SE

VIN 1G2WJ52M0X
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsHigh Idle
OccursAlways

Trouble Codes

P0507Idle Speed Control System Higher Than Expected
Message Closed w/FIX

car Vehicle Data

1999 Pontiac Grand Prix SE

VIN 1G2WJ52M0X
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsHigh Idle
OccursAlways

Trouble Codes

P0507Idle Speed Control System Higher Than Expected