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Our automotive experts have put together the following information about the P0273 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 P0273 code.

OBD II Fault Code

  • OBD II P0273

    OBD-II Code Decreased engine performance is defined as a Cylinder 5 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 P0273.

    Decreased engine performance Symptoms

    • Decreased engine performance
    • Increased fuel consumption

    Common Problems That Trigger the P0273 Code

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

    Common Repairs Needed for the P0273 Code

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