Compression Ignition Addict
Join Date: Dec 2007
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Lets start from the beginning, You're sure the pumps running now? Can you confirm that the filter housing refills as it should? Open the drain lever, watch what comes out of the tube, close it then turn the key on for 15sec. and look at what comes out again.
The IDM, I would think, has to be doing it's job if it will buzz the injectors OK.
Your IRP% seems too high, (with the ICP pressure you're getting) this can be from stuff like the injector O-rings or something allowing oil to bypass. Basically there's plenty of oil pressure from the pump (ICP shows good pressure available) yet the IPR is having to stay open for a long time to maintain. Where's all that pressure going?
Cranking with low batteries is never good (the PCM won't even try to start under 100rpm) so, Yea, get them back up again before you go any farther...