Uncover the Hidden Cause Worn Tappets Behind the HPFP

Today I discovered an oil leak under HPFP. Does anyone know what this could be? Not valve cover and not OFH. It looks like HPFP gasket ... ... 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. The tapping noise attributable to the high pressure fuel pump, located on the top back of the engine on the passenger side. That thing is fairly well buried behind ... Don't get me wrong, I trust the truck, but when you work a truck hard daily things break and wear out. The reason for this is aftermarket pumps use much stiffer springs, which massively increases the forces exerted on the tappet, wearing it out ... No leaks from the hpfp area. Seems to only occur if the outside temps are low enough, below freezing it seems. Anyways, I was logging some ... The HPFP is located at the back of the engine mounted directly to the back (there is lifter style gear that the drives the pump off of the valvetrain of the ... Follow eSI procedure under "Engine | Engine Mechanical - 2.0L | Repair Instructions - On Vehicle | Intake Camshaft and Valve Lifter Replacement ... Or you had a HPFP that just went out due to mechanical issues ( Low lubricity, etc) and has nothning to due with water but Ford will use the ... ... 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 ...