Compression Ignition Addict
Join Date: Apr 2007
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Low fuel pressure is the most common reason for cracked injector tips IMO. You probably should start researching fuel pressure gauges. That said, if it is low fuel pressure, you could have another injector problem.
When you replaced the #3, did you blow out the hold-down bolt hole so that no liquid was in it prior to bolting it down? What torque did you go to on the hold-down? Has your torque wrench been calibrated recently? Whose injector (brand and supplier) did you go with?
When you pull the glow plugs and crank the engine, it will "shoot out" any excess fuel that is in the cylinder so you can identify the proper injector. It will come out with enough force to injure you, so be careful. There are youtube videos on it. IIRC DieselTechRon has made one.
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Last edited by bismic; 09-23-2019 at 02:33 PM.