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2000 GMC K3500 Sierra SLE 5.7L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy
Posted to GM Driveability on 10/7/2002 6 Replies

Hi all - got a head scratcher and could use some help. Vehicle idles poor - running rich on bank 2, bank one ok. Compression 160 all, plugs gapped correctly, air and fuel filters good. What is odd about this rig is it is obviously running rich on bank two, but...

6 Replies Received (View Replies)

  Related Documents & Media  2000 GMC K3500 Sierra SLE

 
Message Closed w/FIX

car Vehicle Data

2000 GMC K3500 Sierra SLE

VIN 1GTHK33R2Y
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Poor Fuel Economy
OccursAlways
Message Closed w/FIX

car Vehicle Data

2000 GMC K3500 Sierra SLE

VIN 1GTHK33R2Y
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Poor Fuel Economy
OccursAlways