P0270 - OBD II Trouble Code

January 31, 2017

Our automotive experts have put together the following information about the P0270 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 P0270 code.

What Does P0270 Code Mean?

OBD-II Code P0270 is defined as a Cylinder 4 Injector Circuit Low

The engine control module (PCM) has special transistors called "drivers" to turn the Fuel Injectors on and off in the Fuel Injection System. If the PCM cannot control the fuel injector, it will set code P0270.

P0270 Symptoms

  • Decreased engine performance
  • Increased fuel consumption

Common Problems That Trigger the P0270 Code

  • Fuel injection control module (FICM) failure
  • Fuel injector failure
  • Powertrain Control Module (PCM) failure
  • Wiring issue

Common Repairs Needed for the P0270 Code

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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