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Power Strokes
6.9-7.3 IDI
Mysterious Air Lock
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[QUOTE="kyle43335, post: 538513, member: 270"] well if the delivery system is in order? you need to go back after the high pressure system. most commonly compression willblow past a injector nozzle and airrate a system. ive never seen this on a idi being that the injector sprays into a pre chamber. first thought there would be chit intake valve not seating against the head. second would be the high pressure system blowing back into the low pressure, which would be the injection pump. your going to need to put a gauge on the delivery system and see what the needle does when the truck wigs out. if the needle spikes up above delivery pressure rapidly, the issue will be in the pump, and or injector/s [/QUOTE]
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