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Need help p0300 code

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Old Jun 2, 2020 | 11:19 AM
  #1  
Daikey's Avatar
Daikey
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Default Need help p0300 code

So I have Resurfaced my Heads and installed new gaskets and put everything back. After start up It started misfiring and the p0300 code came up. The symptoms were misfire,catalytic converter getting really hot, kinda smells like gas from tailpipes. I have changed the spark plugs. Any suggestions and advice? Please and thanks. (VQ 2006 350z)
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Old Jun 2, 2020 | 12:44 PM
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calvin.w
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Try this
https://my350z.com/forum/maintenance...o300-code.html
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Old Jun 4, 2020 | 07:28 AM
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jhc
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From: ZdayZ
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Originally Posted by Daikey
So I have Resurfaced my Heads and installed new gaskets and put everything back. After start up It started misfiring and the p0300 code came up. The symptoms were misfire,catalytic converter getting really hot, kinda smells like gas from tailpipes. I have changed the spark plugs. Any suggestions and advice? Please and thanks. (VQ 2006 350z)
Triple check that you installed the correct head gaskets with correct side up.
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