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OBD II Fault Code P1086 :

Description of OBD II Fault code P1086

FUEL RAIL PRESSURE CONTROL VALVE MALFUNCTION

Possible failuer of OBD II Fault code P1086

  • Fuel Rail Pressure Control Valve open side stuck

Diagnostic Procedure using AutoHex auto Scan tool tester

  • The deviation of the FRP between the target and the actual is monitored.
  • The pump discharge quantity to achieve the target FRP is monitored.

Test Conditions using AutoHex Scan tool tester

  • During the FRP control
  • The FRP control is normal
  • The request discharge rate < a specified value

Clear Fault codes Conditions

  • The deviation of the FRP between the target and the actual is monitored.
  • The pump discharge quantity to achieve the target FRP is monitored.

MIL Status

  • Check Engine Light ON


Note:

  • AutoHex is a professional OBD /OBD II diagnostic scanner / scan tool tester.
  • This fault code is a GERENRIC fault code, some cars may change the meaning of this fault code.
    To get the accurate fault code description you may use AutoHex OBD scanner

More OBD II Fault codes:

OBD II Fault Code P1087
OBD II Fault Code P1088
OBD II Fault Code P1089
OBD II Fault Code P108A
OBD II Fault Code P108B
OBD II Fault Code P108C
OBD II Fault Code P108D
OBD II Fault Code P108E
OBD II Fault Code P108F
OBD II Fault Code P1090
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