Thread: FA20DIT Thread
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Old 04-24-2014, 05:57 PM   #80
arghx7
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Talking about common rail diesels for passenger vehicles: Besides controlling the cooled EGR loops (high and low pressure on some engines) on a diesel engine you have to do a bunch of stuff to regenerate the particulate filter and NOx catalyst if applicable. That's where the throttle valve fits in.
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