Jul 20, 2015 · I have written a DIY for what it has taken me to repair a HPFP failure on my car. This is what I had done to remove the contamination form the system and replace the bad parts. If you …

Feb 2, 2016 · Hello all, Wife's 2011 Q7 with 90,000 miles suffered a HPFP failure and I have some questions after reviewing the factory service manual. Getting ready to time the new pump and was …

Dec 17, 2025 · In this case the HPFP. Unless you have codes pointing directly to the control valves on the pump or physical evidence that the pump has failed (debris) then the process of elimination is the …

Jan 30, 2010 · When the HPFP takes a crap there is lots of metal in the fuel filter canister and fuel tank. You can check the fuel filter for metal particulates if you like. Small amounts of metal in the fuel …

Nov 4, 2020 · I have a 2015 6.7 L Powerstroke and have had one CP4.2 HPFP failure, and am considering installing the Disaster Prevention Bypass Kit made by S & S. I have an extended …

Feb 23, 2017 · the HPFP issue regarding fuel scrubbing, has been research very well by members of this forum, in my research I believe the 2micron filter with water separator and adding 1quart of …

Jan 14, 2017 · I WAS happy with my 2015 Sportwagen until the engine stopped running while on the highway 200 miles from home on Dec 31. (Manual, 19months old, 27000 miles) A dealership in CT …

Jun 2, 2013 · So, i have an extra HPFP/CP4 with an unknown number of miles on it. i thought with all of the questions and concerns about this pump, i would show you all what makes this thing tick and …

Mar 15, 1999 · This is the OFFICIAL list of high pressure fuel pump failures for the 2.0L VW common rail TDI engines (Engine codes CBEA and CJAA). This engine has been featured in the 2009-2011 VW …

Nov 11, 2008 · Guys- Trying to find info on replacing the HPFP and if this is a DIY for the average weekend mechanic. My 09 is pushing 145K. I’m thinking about replacing the HPFP before it either …