The Silent Saboteur How Tappet Wear Damages the HPFP

An important step in replacement is to make sure the cam lobe is at a low spot, not a peak where the roller rides. If its at a high spot, you ... ... out the follower we then dropped the engin oil, took the sump ... Audi A3 1.6 FSi High Pressure Fuel Pump Cam Follower Tappet Change P091. I have a 6gen Camaro Ss with a blower, lt4 pump/injectors and a built bottom end in the shop. Car was previously built and tuned elsewhere. Come to find out my truck had thrown an I.C.P code: this means that I have either or both an injector or the injector supply line that is ... The high pressure pump sits on the valve cover and is driven by one of the camshaft lobes on the back of the head. ... High Pressure Fuel Pump out ... ... tappet, (5) Pressure control valve, (6) Pump housing ... If implausible values are read out from the control unit, additional checks can be carried out. The WSM basically just says to replace damaged components as necessary. I see no reason why you could not replace the fuel pump tappet and be on your merry way, ... The reason for the new buckets failing is that the same friction that eats away at the bucket usually damages the surface of the cam lobe. - ... Replacing a High-Pressure Fuel Pump on a 2.0T Ecoboost - 2013 Focus ST Follow me on Instagram @nickjoenap. Stock Problems/Issues - N14/N18 High Pressure Fuel Pump teardown and refresh - Hello, I just had my HPFP begin to fail with 61000mi on the ...