Quote:
Originally Posted by dbjb
Velocity,
Pretty sure my HPFP is failing on me. I believe you have the n54 like I do. What issue did you have to determine it was the HPFP failing? Also, where did you buy your replacement and at what cost?
My 2007 is now at 205K miles. Yes, I drive her a lot! I had 1 HPFP replaced under CPO around 115k. Yesterday, my car literally just died on me when driving. Restarted with half engine and SES light. I pulled codes but then immediately (and accidentally) deleted them. But just before, I believe I saw a HPFP error code.
Anyway, thanks in advance for any responses and thank you for the DIY!
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I just did this myself.... some of the symptoms I havent seen documented is extremely rough idles on start-up. Also once you hit limp mode the engine fan goes on full blast!