Compression Ignition Addict
Join Date: Dec 2007
Thanked 262 Times in 253 Posts
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Basically, Hot ReStart issues often have to do with the HiPres oil (used to drive the injectors) "thinning" as it heats up. What this says is, that there exists a condition that is Marginally bad, and is just now showing-up because of the difference in viscosity.
It's about things like internal leaks in that system that are bleeding-off your pressure, failing sensors that read that pressure, or even the inability of the pump (HPOP) to make the pressure it should, as quickly as it should.
First thing to do is to get it on the proper scanner to monitor those pressures when hot (and compare to cold)...