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1992 Chevrolet Lumina Z34 3.4L High idle on startup
Posted to GM Driveability on 1/26/1998

This vehicle may race to 3000 rpm on startup and stay there, it only happens once in a while. I found a TSB on the pressure switch in the A/C system that can cause this but the new switch did not help. We also tried a TPS with no results. I am hoping someone h...

  Related Documents & Media  1992 Chevrolet Lumina Z34

 
Message Closed w/FIX

car Vehicle Data

1992 Chevrolet Lumina Z34

VIN 2G1WP14X2N
Engine3.4 L / 6 cyl / GAS
Trans3-speed Automatic
DeliveryFI
SymptomsHigh Idle on Startup
OccursIntermittently
Message Closed w/FIX

car Vehicle Data

1992 Chevrolet Lumina Z34

VIN 2G1WP14X2N
Engine3.4 L / 6 cyl / GAS
Trans3-speed Automatic
DeliveryFI
SymptomsHigh Idle on Startup
OccursIntermittently