Diesel Bombers - fault code p0090 questions!!!

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72fj	03-04-2011 02:04 PM

fault code p0090 questions!!!

i have 05 c4500 in shop and need to locate the regulator control circut keeps blowing fuse any directions would help. thank you 72fj!!!!:moon:

jbradley113093

03-11-2011 11:00 AM

the fault code P0090 is a FUEL RAIL PRESSURE (FRP) REGULATOR CONTROL CIRCUIT OPEN

72fj	03-11-2011 05:26 PM

fault code p0090!!!

have made correct repairs and truck left my shop on 03/09/11 ipr valve shorted out. thanks for the reply back any way!!!:jump:

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