HPFP Failure Tappet Wearout as the Silent Killer

... back of it first. (You can also just buy the sensor, 2 rubber lines ... (keep your eye out for leaks) h. You have now flushed your tank and lines of ... ... high pressure fuel pump. As a result, the friction between the fuel pump parts will cause them to wear out even faster to the point of failing. ... out of 10 this is what takes out the CP4.2. We recently stopped ... Excessive wear of both the roller tappet and cam occurs rapidly at ... Follow eSI procedure under "Engine | Engine Mechanical - 2.0L | Repair Instructions - On Vehicle | Intake Camshaft and Valve Lifter Replacement ... I cant figure out the tappet problem for the life of me. The fuel ... I hope you are beyond your problems, no motors like to sit that long. it took about an hour but the one that came out had no wear on it what so ever. ... now i dont expect those lads to hide behind the corporate ... There is a seal behind the pump gear....it WILL leak fuel into the crank case if it fails or is installed incorrectly. Car: 2008 Audi TT TFSI 2.0L Turbo So it seems I have a fuel leak on my car, I can see its leaking from the pressure relief valve on the high ... As you can see on the dyno chart to the right, the factory fuel pump is out of fuel much earlier than the IE HPFP. ... With rigorous testing behind this ... ... high pressure fuel pump bucket tappet on Ford Fiesta MK7. The video was made on a 2015 Ford Fiesta ST fuel pump tappet bucket replacement ...