low fuel rail press 559 code
09-24-2018, (Subject: low fuel rail press 559 code ) 
Post: #8
RE: low fuel rail press 559 code
there are check valves in the pump head, they do go bad and cause 559 codes. If the plunger doesnt come back when pushing on it one of the check valves may be gone.

Uni
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RE: low fuel rail press 559 code - Unilevers - 09-24-2018



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