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| On a new to me tractor with new fuel filters within the last 10 hours I’m getting an ECU 171 code...”Fuel rail pressure dropping to rapidly”. When it happens the tractor doesn’t seem to studder at all and doesn’t loose any power or derate but the code will randomly pop up several times a day. Any ideas of what to check or replace? I was wondering if there is a pressure relief valve that is opening up randomly and causing the code?
Edited by Gumbofarms 5/19/2020 23:45
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