![]() The issue arose when "uprated parts" were installed on production in the 1980's to boost power and reduce smoke emission. In this case to avoid further possible injector damage, I would be replacing all the injector pipes pipes in the high pressure FIE system as a matter of mechanical prudence.Ĭlick to expand.To be precise having worked as a zone rep/field service engineer, ( as i have previously stated for a major Euro truck & bus maker.) ![]() ![]() ![]() Really they demand total replacement to avoid further high pressure fuel erosion on a damaged exfoliated set of pipes connected to new injectors. My only concern is the state of the injector pipes having been exfoliated. The sac and tip section being the weakest part of the injector & subject to extreme heat, cracks under the repeated hammer action of the injector needle as it tries to "seat", and the tip breaks off. The microscope swarf particles build up in the injector sac and create a buffer pad against the injector needle. I have seen this before with AmBac injectors in truck engines.Įssentially your HPOP pump has been going "south ' for a while.įine metal particles we Brits call "Swarf " are carried along by the high pressure fuel, exfoliating the internal tubing of the injector pipes.
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