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2006 Chevrolet Tahoe Z71 5.3L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Stall, Misfire, Poor Fuel Economy, MIL Lamp on
Posted to GM Driveability on 11/18/2008 11 Replies

Concern is intermitant. When it occurs, engine develops a bad miss and misfires are indicated on Cyls. 1,3,5,7 in decreasing numerical order respectively. (5465,545,394,296) Injector pulse width at normal idle B1=3.57 mS, B2=3.49 mS. IPW when misfiring B1=5.63...

11 Replies Received (View Replies)

  Related Documents & Media  2006 Chevrolet Tahoe Z71

 
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car Vehicle Data

2006 Chevrolet Tahoe Z71

VIN 1GNEC13Z26
Engine5.3 L / 8 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Hesitation, Surge, Stall, Misfire, Poor Fuel Economy, MIL Lamp On
OccursCold, Hot, Idle, After a Hot Soak, Intermittently
Misc.Police Pkg.

Trouble Codes

P0030Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Relay Circuit Malfunction
P0134Air Fuel Sensor (Bank 1 Sensor 1) Heater System Malfunction
P0171Fuel System Too Lean (Bank 1)
P0300Multiple Misfire Detected
Message Closed

car Vehicle Data

2006 Chevrolet Tahoe Z71

VIN 1GNEC13Z26
Engine5.3 L / 8 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Hesitation, Surge, Stall, Misfire, Poor Fuel Economy, MIL Lamp On
OccursCold, Hot, Idle, After a Hot Soak, Intermittently
Misc.Police Pkg.

Trouble Codes

P0030Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Relay Circuit Malfunction
P0134Air Fuel Sensor (Bank 1 Sensor 1) Heater System Malfunction
P0171Fuel System Too Lean (Bank 1)
P0300Multiple Misfire Detected