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2001 GMC Sierra 2500 HD SL 6.6L Excessive Emissions, Poor Idle Quality, Misfire
Posted to GM Driveability on 2/9/2012 3 Replies

Having problems with connecting scan tool to this vehicle and running function tests. I first used and OTC , when trying to perform cylinder kill test , kept kicking me out of the system - no comunication ect. Purchased a MDI from Bosch w/tech II on lap top - ...

3 Replies Received (View Replies)

  Related Documents & Media  2001 GMC Sierra 2500 HD SL

 
Message Closed w/Summary

car Vehicle Data

2001 GMC Sierra 2500 HD SL

VIN 1GTHK23171
Engine6.6 L / 8 cyl / DIESEL
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Misfire
OccursCold, Hot

Trouble Codes

P0202Fuel Injector 2 Circuit Malfunction
P0204Fuel Injector 4 Circuit Malfunction
P1261Injector Positive Control Circuit Malfunction - Group 1
P1262Injector Positive Control Circuit Malfunction - Group 2
Message Closed w/Summary

car Vehicle Data

2001 GMC Sierra 2500 HD SL

VIN 1GTHK23171
Engine6.6 L / 8 cyl / DIESEL
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Misfire
OccursCold, Hot

Trouble Codes

P0202Fuel Injector 2 Circuit Malfunction
P0204Fuel Injector 4 Circuit Malfunction
P1261Injector Positive Control Circuit Malfunction - Group 1
P1262Injector Positive Control Circuit Malfunction - Group 2