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2002 Chevrolet Tahoe LS 5.3L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on
Posted to GM Driveability on 1/10/2006 11 Replies

hello this 02 tahoe is a flex fuel truck ,it came to us running very rough and blowing black smoke . I pulled codes and it had the codes ,I posted up top 1,3 5 7 cyl mis all on bank 1 .We did a smoke test for intake leak none found , checked fuel pressure seem...

11 Replies Received (View Replies)

  Related Documents & Media  2002 Chevrolet Tahoe LS

 
Message Closed w/FIX

car Vehicle Data

2002 Chevrolet Tahoe LS

VIN 1GNEK13Z72
Engine5.3 L / 8 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

P0131Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage
P0171Fuel System Too Lean (Bank 1)
P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2002 Chevrolet Tahoe LS

VIN 1GNEK13Z72
Engine5.3 L / 8 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

P0131Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage
P0171Fuel System Too Lean (Bank 1)
P0300Multiple Misfire Detected