Compression Ignition Addict
Join Date: Dec 2008
Location: port arthur texas
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The miost probable cause is a injector tip blown off/damaged or a pintel stuck open.
Since this is downsteam of the injector body seals it won't show up in the bubble test.
This can be tested by removeing the glow plugs and rolling the engine over and observe which ones spit out fuel. The raw fuel sitting on top the piston will leak by the rings since fuel is thinner than oil and will drain into the pan.
Lord I shall lead them to the water but I will not try to make them drink