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I have a Ford Focus 1.8L TDCI with engine code P2339, what is the meaning of the code?

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I have a Ford Focus 1.8L TDCI with engine code P2339, what is the meaning of the code?

Vehicle: Ford Focus 1.8L TDCI

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Best answer
Hi there

This code is for the #4 cylinder knock above threshold.

This is usually the result of a faulty knock sensor. It can also be a bad computer or the wiring harness for the knock sensor.
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P2339 FORD Code - Cylinder 4 Above Knock Threshold
Read more: https://www.autocodes.com/p2339_ford.html

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