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Old 11-19-2019, 09:17 PM #1
Garcia9876 Garcia9876 is offline
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I Got a MISFIRE P0301

I have a 3rz-fe engine 1999 4runner
I got a P0301 code the day before my truck was shaking . But I removed the spark plug and what I can do.


The picture I show you the spark plug is from cylinder #1
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I Got a MISFIRE P0301-f7399113-168c-4f41-839a-3cbb0cad4234-jpg 
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Old 11-19-2019, 10:39 PM #2
T.Tech T.Tech is offline
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from the looks of the spark plug it seems the tube seals are leaking into the tube possibly causing the plug wire to short out and not having proper spark. If you have a scan tool try putting that plug in another cylinder and swapping the wire with different cylinder and see if it follows the wire, plug it remains in the same cylinder. The picture that you have the electrode isnít visible to look at.
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