P0011 engine code and I think it could be the camshaft position sensor?

Hi,

The code does have to do with the camshaft timing, but it may or may not be the sensor.

Is the engine oil clean and full? Has it been changed on a regular basis? Has anything been done with the camshaft, timing chain, or actuator?

The engine oil condition has a major impact on the camshaft actuator system, so let me know how that has been serviced. Also, let me know if any work has recently been done on the engine.

Keep in mind, with the present mileage, there is a chance we have a stretched timing chain. That can cause the issue as well. Here is the camshaft position sensor location just in case.

Let me know as much as you can.

Take care,

Joe

Hi,

That may be the cause of the actuator not responding and setting the code. Is the oil pressure low enough that the light comes on?

Also, with 200K on it, the timing chain may be stretched. The code indicates there is more than an 8-degree difference between the camshaft angle and what the PCM thinks it should be.

I'm going to attach the definition and diagnostics for the code. Testing needs to be done to determine if the cam actuator is responding. It could simply need to be cleaned, but even that isn't simple because to remove it requires the timing chain to be removed.

However, I feel somewhat confident it is the result of the oil pressure. For the system to work correctly, the pressure needs to be right. That leads me to a different question. Is there sludge in the oil pan that is restricting the oil pump or is it due to wear?

I'm sorry, I don't mean to confuse you. I'm thinking of the variables and want you to be aware.

Your original question was where is the sensor. I need to know the engine RPO to determine that. RPO stands for regular production options. I can determine the engine RPO with the 8th digit of the VIN number, or you can locate it usually in the glove box there is a label with several numbers which lists all that the truck came with.

If you look at the last two pics, you'll see why I need it. There are variations in the engine. The last pic shows what the RPO is based on the 8th digit in the VIN.

Let me know your thoughts and which direction you would like to go.

Take care,

Joe

See pics below.

Hi,

First, you are welcome. I feel bad because either way I point you is a bigger job, and I don't want to be wrong.

I do have an idea. If you contact a parts store, see if they have a mechanical oil pump, they will lend you. If so, all you need to do is remove the electric one on the truck and screw in the mechanical. That would give us exact pressure.

I attached the directions specific to your vehicle below. If I am reading things correctly, the 8th digit of your VIN should be Y, so please confirm that for me. Also, the minimum pressure at 1000RPMs is 24 PSIG.

Let me know your thoughts. At least this could prevent taking things apart unnecessarily.

Joe is right, also I have found that the camshaft actuator valve goes bad or is plugged up with gunk. Here is the location in the diagrams below so you can check it out. Let us know what the pan looks like. Check out the diagrams (below). Let us know what happens and please upload pictures or videos of the problem.