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Our automotive experts have put together the following information about the P0224 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 P0224 code.

What Does P0224 Code Mean?

Fault Code Definition

Code P0224 is triggered when the voltage signal from the Throttle/Pedal Position Sensor/Switch to the PCM is erratic or intermittent.

P0224 Symptoms

  • Check Engine Light will illuminate
  • In many cases, no abnormal symptoms may be noticed
  • In some cases, the engine may be hard starting or may not start at all
  • In some cases, the engine may hesitate during acceleration

Common Problems That Trigger the P0224 Code

  • Defective Throttle or Pedal Position Sensor or Switch
  • Torn or jammed floor mats
  • Faulty or corroded Throttle/Pedal Position Sensor wiring, or connections

Common Misdiagnoses

  • Throttle Position Sensor is replaced when the real problem is a dirty, carbon-filled Throttle Body
  • Throttle or Pedal Position Sensor is replaced when the real problem is a poor connection or chafed wiring
  • Pedal Position Sensor is replaced when the real problem is torn or damaged floor mats
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1 User Comment

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By , January 17, 2011
I got this code (P0244) , yesterday in my STI and it says it is the external wastegate function. I spoke with my tuner and he said that my stock external wastegate does not have the spring tension to maintain the stage 2 19 psi boost, thus, leaking and causing the code to pop up.