I have a 2005 chev duramax with code p0046 i cleaned both the control solenoid and vane position sensor. Cleared code p0046 drove it for a bit and code came back again. Which do i replace or are there any other ideas?
Country: CanadaMake: GMModel: Siverado 2500hdYear: 2005Engine: duramax
Have code p0046.Cleaned vane position sensor and boost control solenoid.Cleared code drove truck for a bit same code came back. Which do i replace first or any other ideas.
Hello and welcome to Just Answer. My name is XXXXX XXXXX X will be assisting you today.
Do you have a scan tool that you can read the data parameter of the vane position sensor? The vane position sensor is typically the fault and I can give you easy directions to check the vane position sensor if you have a scan tool that you can read the vane position sensor.
I'm a rookie when it comes to scan tools. The tool I have is an OBDII / EOBD it says it can Data stream not sure what else to tell you.
OK, under your data stream, can you see a "pid" that says vane position sensor and a percentage?
Sorry it took me so long. I guess the tool doesn't get down to that detail. My other question is it harmful to drive the truck with that code and will it cause any other issues to the turbo or parts within the turbo.
It can cause other issues and driveability concerns. I would suggest taking it to an authorized repair facility and have it checked out. The vane position sensor alone cost around $450.00 and the actuator around the same. Typically its the position sensor, but at that cost I would hate to put one in and it not be the problem. If you do get a hold of a scan tool that you can read the data parameter for the vane position sensor, this is how you check it:
Remove the sensor. Ground the sensor to the turbo case (hold the sensor sideways against the turbo, preferably at the threaded hole the sensor was removed from). There is a plunger at the end on the sensor. With the plunger fully extended, the parameter should show 100%. As you press the plunger in, the percentage should decrease to 0%. It is normal when the plunger is fully pressed for the percentage to jump back to 100%. If the sensor works as described, the vane actuator is probably at fault. If the sensor does not go from 100% to 0%, the sensor is faulty.
Sorry for my ignorance but in your answer it says the vane actuator is that the (turbo control solenoid) i'm a little confused, and the sensor is the vane position sensor?
Yes you are correct.
16 years GM Tech, ASE Master Certified