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2003 Chevrolet Impala LS 3.8L High Idle
Posted to GM Driveability on 6/26/2012 18 Replies

car came in with high idle. has had intake gaskets,plenimue gaskets, mass,iac,and tps installed. noticed had 2 volts on tps, unpluged and still had 2 volts. removed iac and closed of ports and has min idle speed less then 400 rpm.

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  Related Documents & Media  2003 Chevrolet Impala LS

 
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Impala LS

VIN 2G1WH52K43
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / mpfi
EmissionsOBD-II Compliant
SymptomsHigh Idle
OccursAlways
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Impala LS

VIN 2G1WH52K43
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / mpfi
EmissionsOBD-II Compliant
SymptomsHigh Idle
OccursAlways