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Power Strokes
6.0 Tech
Cleaned HFCM, now losing FP
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[QUOTE="mandkole, post: 1330446, member: 4630"] What an ordeal.. feel for ya and hard to be much help not being right there. Yes, you confirmed its not the regulator. I still think its the supply fuel 'quality' (air) and it gets worse as the velocity from demand increases. A few more suggestions; --make sure the bowl is real clean, remove the upper filter and run the truck. Perhaps there's an issue in the bowl that's creating air? --If operation is unchanged, loop the supply line through a tee with a ball valve connected to a line on the 3rd leg to a bucket (to mimic injector consumption), then run the main line to the regulator and return it to tank, watching the gauge.? This will allow you to manage an injector flow but completely isolate the engine plumbing for the moment and confirm a steady gauge. Then, run pump on battery and watch the gauge for pulse or shake. If it does, its in your supply plumbing. If not, its in the engine somewhere. Im kinda lost as well, but I still think were missing something with the return loop of the module and continue to come back to the first few posts which signaled the start of this issue. The coincidence of any other engine (or engine plumbing) issues that started [I]exactly[/I] when you serviced the module is still hard to imagine. [/QUOTE]
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Cleaned HFCM, now losing FP
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