P0091 Isuzu Fuel Pressure Regulator Solenoid 1 Control Circit Low Voltage
Possible causes
– Faulty fuel pressure regulator
– Fuel pressure regulator harness is open or shorted
– Fuel pressure regulator electrical circuit poor connection
– Fuel pressure regulator harness is open or shorted
– Fuel pressure regulator electrical circuit poor connection
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
Isuzu Vehicle:2013 Isuzu,2012 Isuzu,2011 Isuzu,2010 Isuzu,2009 Isuzu,2008 Isuzu,2007 Isuzu,2006 Isuzu,2005 Isuzu,2004 Isuzu,2003 Isuzu,2002 Isuzu,2001 Isuzu,2000 Isuzu,1999 Isuzu,1998 Isuzu,1997 Isuzu,1996 Isuzu,Isuzu Rodeo,Isuzu Trooper,Isuzu Ascender