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misfire when cold

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Old Feb 11, 2011 | 11:06 AM
  #1  
moss99's Avatar
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From: cornwall (UK)
misfire when cold

Hi all
I have an evo 6 which has developed a misfire ,,only when starting up from cold it clears after 10 seconds or so and runs fine // and starts fine with no problems when its hot

any ideas anyone
cheers
mark..
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Old Feb 19, 2011 | 07:47 AM
  #2  
MattC28's Avatar
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From: NH
Does that have a FP solenoid between the vacuum source and the fuel pressure regulator? This gives extra gas during cold starts. I am not sure if the 6 has this but my evo 8 does. Is the car tuned?
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