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2003 Chevrolet Trailblazer EXT LT 4.2L MIL Lamp on
Posted to GM Driveability on 7/12/2011 6 Replies

Hello this truck came in with a p1345 we changed the vvt solenoid due to it being blocked and not moving now it works and we are still getting the same code. We removed the valve cover and checked according to flow chart found no problems movement was with in ...

Message Closed 7/30/2011

6 Replies Received (View Replies)

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car Vehicle Data

2003 Chevrolet Trailblazer EXT LT

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

Trouble Codes

P1345Mass Airflow Sensor Loose Contact With Low Frequency