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2004 Chevrolet Trailblazer LS 4.2L MIL Lamp on
Posted to GM Driveability on 9/18/2009 20 Replies

HI Y'ALL!! This Chevy trailblazer is diving Miss Daisy to use cuss words I never even heard before!!!! The fuel pressure is steady 57 @ idle, and 50@ cruise!!! The fuel trim goes very hi on cruise (20 st and 27 lt), and sets codes for rich and lean system. Als...

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  Related Documents & Media  2004 Chevrolet Trailblazer LS

 
Message Closed w/FIX

car Vehicle Data

2004 Chevrolet Trailblazer LS

VIN IGNDS13S34
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursUnder Load, on Accel, Cruise

Trouble Codes

P0131Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage
P0171Fuel System Too Lean (Bank 1)
P0172Fuel System Too Rich (Bank 1)
P1133Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching
Message Closed w/FIX

car Vehicle Data

2004 Chevrolet Trailblazer LS

VIN IGNDS13S34
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursUnder Load, on Accel, Cruise

Trouble Codes

P0131Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage
P0171Fuel System Too Lean (Bank 1)
P0172Fuel System Too Rich (Bank 1)
P1133Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching