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2003 Subaru WRX with engine code P0303, how can I repair this code?

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2003 Subaru WRX with engine code P0303, how can I repair this code?

Vehicle: 2003 Subaru WRX

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Best answer
HI there,

The most common repair with a single cylinder misfire like this would be replacing the #3 ignition coil. I would also have a look at the spark plug while I had the coil out.
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P0303 SUBARU Code - Cylinder 3 Misfire Detected

Read more: https://www.autocodes.com/p0303_subaru.html

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