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1999 GMC Sierra 2500 SL 6.0L Poor Idle Quality, Stall
Posted to GM Driveability on 10/26/2009 10 Replies

truck towed in,would not run. i tried to start it ,ran very low rpm feathered the throttle it stalled. tested fuel pressure ,was at spec. scaned for dtc had o2 and evap codes. scaned pids saw nothing jump out at [...] maf truck started and ran,had good throttl...

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Message Closed w/Summary

car Vehicle Data

1999 GMC Sierra 2500 SL

VIN 1GTFC29U4X
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Stall
OccursAlways
Message Closed w/Summary

car Vehicle Data

1999 GMC Sierra 2500 SL

VIN 1GTFC29U4X
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Stall
OccursAlways