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International Automotive Technicians Network
2000 GMC C3500 Sierra SL 7.4L Surge
Posted to GM Driveability on 12/9/2003 9 Replies

This truck was initally brought in for a coolant leak and the check engine light on

It had O2 codes for both banks (very sluggish response so they were changed), MAF low frequency (loose ground wire), and lean exhaust bank 1 (Intake leaking into crank case), ...

9 Replies Received (View Replies)

  Related Documents & Media  2000 GMC C3500 Sierra SL

 
Message Closed w/FIX

car Vehicle Data

2000 GMC C3500 Sierra SL

VIN 1GDKC34J6Y
Engine7.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / MPFI
EmissionsOBD-II Compliant
SymptomsSurge
OccursIdle
Misc.Cab & Chassis

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
Message Closed w/FIX

car Vehicle Data

2000 GMC C3500 Sierra SL

VIN 1GDKC34J6Y
Engine7.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / MPFI
EmissionsOBD-II Compliant
SymptomsSurge
OccursIdle
Misc.Cab & Chassis

Trouble Codes

P0171Fuel System Too Lean (Bank 1)