Quote:
Originally Posted by tjts1
And cranking with no codes? I imagine there would at least be some power loss when it's running.
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If the pump quits while the engine is running it'll throw codes for low rail pressure. I've seen lots of crank no-starts due to faulty pumps with no codes stored. FWIW, the majority of cases I've seen have been on ML/GL's, but since it's so easy to diagnose it only makes sense to check the pump first......