I'm having a problem with a PCV valve replacement. Had all of the symptoms of a bad one. P0171 fault code. Oil fill cap next to impossible to remove with engine running and a whistling sound coming from the PCV when you turn the engine off.

I replaced it with the OEM part and the car idles very rough. I had to put the old one back on just so the car would run but the check engine light comes right back on.

Any recommendations on the problem with the new part? Thanks in advance.

 

Hey, sounds like you got the wrong valve. There are a few different part numbers for those and they are not all the same even though they look the same.

 

You wouldn't happen to know the correct part number would you?

I have OEM part # 06F129101P

 

I think you want the new one to be the same part number, but I am not 100% on that. May be worth just getting one from the dealer with your VIN. They should have one in stock. What was the part number of the new part you installed?

Home Page > Search > 06F129101P > ES#2214977 Pressure Control Valve - 06F129101P

 

How is it going? Did you have any luck fixing it?