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2004 Chevrolet Trailblazer LS 4.2L MIL Lamp on
Posted to GM Driveability on 7/24/2007 4 Replies

I have this trailblazer that came in with p1133 & p0172 codes in it, reflahsed computer per Bulletin #[...]. Noticed on road trip afterwards that O2 sensor acting erratic. Code p0133 came back. Put new front O2 sensor in it. O2 sensor works great now, but noti...

4 Replies Received (View Replies)

  Related Documents & Media  2004 Chevrolet Trailblazer LS

 
Message Closed w/FIX

car Vehicle Data

2004 Chevrolet Trailblazer LS

VIN 1GNDT13S34
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

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 1GNDT13S34
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

P0172Fuel System Too Rich (Bank 1)
P1133Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching