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P0302 cylinder misfire i change the spack plug but this still on ?

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Galsense,

You didnt mention whether or not you cleared the codes. Typically you can clear the ECU codes by disconnecting the battery for a few mins and putting it back on. Otherwise you need to use a code reader to clear the codes. The code will not just fix itself once the problem is resolved. You need to clear the codes and then see if the check engine light/code comes back.

On a side, note the misfire can be caused by a few different things. However first reset the codes and see what happens

Good luck.

Posted on May 26, 2011

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Posted on Jan 02, 2017

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