Most popular

How to replace Cam and crankshaft sensors in 2004 Chevy Trailblazer?

How to replace Cam and crankshaft sensors in 2004 Chevy Trailblazer?

2004 Chevy Trailblazer 4.2L check engine light. How to replace cam and crankshaft position sensors? sensors. You can either jack up the truck and take the drivers side wheel off to access the sensor. It is actually easier to get to it from under the truck. It is just bolted on with one 10mm bolt.

What kind of engine does a Chevrolet TrailBlazer have?

Vortec is Chevrolet’s version of variable-valve timing. When the TrailBlazer was eliminated from Chevrolet’s lineup in 2010, the 4.2-liter was eliminated with it. The 4.2-liter engine is an inline six-cylinder (I-6) and is powered by regular gasoline.

What kind of engine does a Chevrolet 4.2 liter have?

The 4.2-liter–like the 4.3-liter before it–is a member of the Vortec family of engines. Vortec is Chevrolet’s version of variable-valve timing. When the TrailBlazer was eliminated from Chevrolet’s lineup in 2010, the 4.2-liter was eliminated with it.

Where is the cam actuator solenoid located on a trailblazer?

The cam actuator solenoid is located on the passenger side front of the engine, These are common to fail and cause a check engine light code P0014 or P0016. When they fail, it causes a correlation code between it and the crank sensor.

2004 Chevy Trailblazer 4.2L check engine light. How to replace cam and crankshaft position sensors? sensors. You can either jack up the truck and take the drivers side wheel off to access the sensor. It is actually easier to get to it from under the truck. It is just bolted on with one 10mm bolt.

What kind of engine does a trailblazer 4.2 have?

The 4.2-liter had double overhead cams and utilized variable cam phasing. It had four valves per cylinder, making the total valve count 24. The Vortec had a cylinder bore of 3.66 inches and a stroke of 4.01 inches; this produced an overall displacement of 256 cubic inches.

Why is the crank on my trailblazer not working?

In time, the Ground Wire fastening point can become the weakest point at that tang where the metal tang will fatigue and fail…and even occasionally work correctly after that, if the cable and the block happen to touch.

The cam actuator solenoid is located on the passenger side front of the engine, These are common to fail and cause a check engine light code P0014 or P0016. When they fail, it causes a correlation code between it and the crank sensor.

How to diagnose a Chevy Trailblazer p0016?

This is a great place to start diagnosing P0016 in your Chevy Trailblazer. It’s quick and easy to do this before moving on to the sensors themselves. Make sure to check the harness where it plugs into both sensors as well. After examining the wiring harness, it would be time to check the sensors themselves.

How is the crank position on a trailblazer determined?

The Crankshaft Sensor is going to use a tone or reluctor ring to determine the position of the Crank. This ring uses notches that are scanned by the Crank Sensor in order to get an accurate position. If this ring fails, the Trailblazer will not be able to get an exact crank position.

What does p0016 mean on a Chevy Trailblazer?

P0016 is know to occur in the Chevy Trailblazer when the Crankshaft Position Sensor and the Camshaft Position Sensor are out of alignment by a certain number of degrees, or if there is a sensor issue. We’ll explore the symptoms and causes directly below. P0016 refers to which camshaft position sensor is out of time with the Crankshaft.

Author Image
Ruth Doyle