HPFP Woes Tappet Deterioration - A Hidden Threat Revealed

How to inspect and replace a FSI HPFP and Cam Follower on a MK5 GTI. The high pressure fuel pump and cam follower is a common MK5 FSI ... ... out gets closed before it can “preload” more fuel. So while ... There is a lifter that is used between the HPFP and the lobe on the cam. ... out to be a oil leak from the gasket of the high pressure fuel pump ... back of the engine and whether or not its a costly job? Thank you ... How to inspect/replace the HPFP's lifter bucket on Gen2 Nissan Armada (2017+) & Infiniti QX56 (2011-2013) & Gen1 Infiniti QX80 (2014+). check out your high pressure fuel pump. and here's the big test. it actually shuts off. when you turn the key off. 27 Likes, TikTok video ... The revised intake camshaft ensures the HPFP cam lobe meet the correct hardness spec and does not wear out prematurely. Also, I am curious ... You should always examine the lobes on the camshaft before installing a new and very expensive high-pressure fuel pump. A lack-of-power ... Alrighty then, this is what I start out with: this is the old pvt adapter from the WDS and a home made fuel pump jumper. The jumper will work ... I bought a 2015 X5 35d out of the CPO program at the end of May 2019. ... valve on the HPFP) may have failed instead. It would have been easy to ... Remove the high pressure fuel pump roller lifter. ... The plunger can easily be pulled out of the bore hole to inspect it for wear.