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Registered Member
Join Date: Nov 2001
Location: Mission Viejo,Ca
Posts: 37
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![]() A code 91-O2's out of range,fuel pressure out of specified range or injectors out of balance.Three months ago my mechanic tested fuel pressure and it was good and told me my 02's were bad so I replaced them.That leaves the third option.Does injectors out of range mean the injectors themselves aren't working correctly or is the injector harnesses bad?
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89gt,3.27's,Auburn,tremec 3550,Steeda tri-ax,aluminum driveshaft,Asp underdrives,Flowmast er 3 chamber,March ram air,130 amp alternator,Koni yellow struts,Kyb shocks,Pirelli p-6000's,MM's lower control arms and full length subs |
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