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I condemned a HPFP due to brass debris found at the fuel cooler valve and at every feed tube. I replaced and cleaned everything...

REPLACED
HPFP
HFCM
BOTH RAILS
8 INJECTORS
FUEL COOLER
FILTERS
FEED LINES

CLEANED
TANK
SENDING UNIT
RETURN and FEED LINES

I bled the system which took forever. Finally got it going. Within minutes after clearing adaptive tables. all my SFTs were bad. from -5 to +11.

I took a sample at the fuel cooler valve and sure enough, that same brass debris... What did I miss???
 

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