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1995 Chevrolet Monte Carlo Z34 3.4L Excessive Emissions, Poor Idle Quality, Surge
Posted to GM Driveability on 5/11/2009 13 Replies

Hi Techs,

This Monte Carlo idles smoothly with pretty clean tail pipe emission for the first 25 minutes of operation. After this period of time, the engine begins to surge from 500 rpm to 1300 rpm due to rich air fuel mixture. C.O. emission rose from .2% to o...

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  Related Documents & Media  1995 Chevrolet Monte Carlo Z34

 
Message Closed w/FIX

car Vehicle Data

1995 Chevrolet Monte Carlo Z34

VIN 2G1WX12X7S
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SFI
EmissionsNot OBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Surge
OccursHot
Message Closed w/FIX

car Vehicle Data

1995 Chevrolet Monte Carlo Z34

VIN 2G1WX12X7S
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SFI
EmissionsNot OBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Surge
OccursHot