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P300 Code. Please help!!

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Old Jan 11, 2016 | 09:03 PM
  #1  
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From: orlando
Default P300 Code. Please help!!

Hey guys so this problem has had me pulling my hair for the past two weeks. Engine runing rough only code is P300

Things I've done
Brand new injectors
New spark plugs
New coils
New crank shaft position sensor

Extras:
I'm runing rich I can smell gas in my exhaust

Please help me.
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Old Jan 12, 2016 | 03:44 AM
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so you are just throwing parts at it hoping one will fix it?

here is what i would do, take it to Nissan and have them diagnose it
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Old Jan 12, 2016 | 04:44 AM
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Originally Posted by travlee
so you are just throwing parts at it hoping one will fix it?

here is what i would do, take it to Nissan and have them diagnose it
+1 It's only $100
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Old Jan 12, 2016 | 05:17 AM
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Do it before you trash the cats.
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Old Jan 12, 2016 | 08:15 AM
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Originally Posted by dcains
trash the cats.
trash the cats
trash the cats
trash the cats



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Old Jan 12, 2016 | 08:17 AM
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ha, i was looking for the gif of that earlier
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Old Jan 12, 2016 | 04:26 PM
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Title changed. When starting threads in the future please add some detail to the thread content for future searches. Good luck!
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Old Jan 13, 2016 | 09:02 AM
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random multi cylinder misfire in a COP ignition system usually indicates a faulty fuel pump. Lack of fuel pressure does not allow the fuel injectors to atomize the fuel.
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