P0285

Cylinder 9 Injector Circuit Low

DTC P0285, sometimes indicated as P028500 is an OBD diagnostic trouble code indicating a generic fault with the vehicle powertrain (i.e. engine and gearbox). This code identifies an error with the air/fuel mixture causing cylinder 9 injector circuit low.

A common cause of this DTC code is a bad injector. Other causes may include a wiring issue, a bad fuel pump, or a problem with the ECU.

  • P0285: Cylinder 9 Injector Circuit Low
  • P0285: Cylinder 9 Injector Control Circuit Low
  • P0285: Injector 9 – circuit low
  • P0285 00: 8 cylinder injector open or short to ground
  • P0285 00: Injector 9 - circuit low

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