P2625 - OBD II Trouble Code

January 31, 2017

Our automotive experts have put together the following information about the P2625 diagnostic trouble code. We've provided the common symptoms that occur when this code is set along with the frequent repairs that address the issues related to the P2625 code.

OBD II Fault Code

  • OBD II P2625

OBD-II Code Engine may not start is defined as a Injector Control Pressure Regulator Circuit High

The Injector Control Pressure Regulator (IPR) controls the oil pressure out of the high pressure oil pump. This pressure is used to control the fuel injectors. If the oil pressure is too low, the injectors will not operate correctly. The engine computer (PCM) monitors fuel pressure when the engine is running. If the oil pressure regulator sends back an implausible signal, code P2625 will be stored.

Engine may not start Symptoms

  • Engine may not start
  • Engine may stall

Common Problems That Trigger the P2625 Code

  • Engine oil level is too low
  • High pressure oil pump failure
  • Injection Pump Regulator (IPR) failure
  • Wiring issue

About the Author

Brad Kava is an automotive expert at RepairPal, the leading online source of auto repair resources and estimates. With many ASE Master certified mechanics on staff who have decades of experience, RepairPal knows all the fine points of car repair.

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