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2005 Chevrolet Monte Carlo LS 3.4L Poor Idle Quality, Surge
Posted to GM Driveability on 4/3/2008 3 Replies

This car came in with an erratic idle. It varies beteewn 690 - 1500 rpm in park. I substituted a new map sensor but it did the same thing. As the idle climbs the iac counts also climb. I noticed the evap sol, at idle, is 18% and climbs to 25% at the same time ...

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  Related Documents & Media  2005 Chevrolet Monte Carlo LS

 
Message Closed w/Summary

car Vehicle Data

2005 Chevrolet Monte Carlo LS

VIN 2G1WW12E95
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Surge
OccursAlways, Idle
Message Closed w/Summary

car Vehicle Data

2005 Chevrolet Monte Carlo LS

VIN 2G1WW12E95
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Surge
OccursAlways, Idle