HPFP Woes? Don't Overlook Tappet Wearout

There is a seal behind the pump gear....it WILL leak fuel into the crank case if it fails or is installed incorrectly. ... 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 ... High pressure fuel pump symptoms - jerking and missing - almost feels like a tranny problem, but it is motor related. Starter will spin excessively before ... 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. - ... ... behind the engine, and then retrieve it. I mounted it ... They pointed the noise to HPFP area too and ruled out adjuster tentioner valve ... Follow eSI procedure under "Engine | Engine Mechanical - 2.0L | Repair Instructions - On Vehicle | Intake Camshaft and Valve Lifter Replacement ... If the oil is dirty then the tappet maybe does not move as freely as it could inside the housing and the roller does not firmly follows the cam. If it's blocked, maybe Brakleen or Gumout, something with solvent and pressure. If it's open and simply being maintained, I'd imagine regular canned air would ... 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 ... On my 2018 the bolts that hold the HPFP down have sheared off TWICE now. First time was about 200 miles ago, and about 2k after the cam phaser ...