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1999 GMC K3500 Sierra SL 7.4L Poor Idle Quality, MIL Lamp on
Posted to GM Driveability on 11/1/2006 6 Replies

I have a real problem here and we cannot figure it out. The customer came in with the check engine light on. We code scanned the computer and the code p0175b, came up. Reading the scan tool we noticed the long turn fuel trim was reading -14 to -20 on bank 2. S...

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  Related Documents & Media  1999 GMC K3500 Sierra SL

 
Message Closed

car Vehicle Data

1999 GMC K3500 Sierra SL

VIN 1GTHK33J5X
Engine7.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / multiport
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, MIL Lamp On
OccursAlways

Trouble Codes

P0175Fuel System Too Lean (Bank 2)
Message Closed

car Vehicle Data

1999 GMC K3500 Sierra SL

VIN 1GTHK33J5X
Engine7.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / multiport
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, MIL Lamp On
OccursAlways

Trouble Codes

P0175Fuel System Too Lean (Bank 2)