4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

Misfire at normal operating temperature?

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Old 04-28-2007, 12:36 PM
  #11  
StevenP450yfz
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Default RE: Misfire at normal operating temperature?

still have not figured it out?
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Old 04-28-2007, 02:14 PM
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bb 460
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Default RE: Misfire at normal operating temperature?

+1 on O2 sensor but your maf sensor could be bad or fuel pump. pretty much the only way to tell for sure is to get it scanned and anyone who knows how to use a scan tool should be able to tell you what the problem is.
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Old 04-28-2007, 03:40 PM
  #13  
StevenP450yfz
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Default RE: Misfire at normal operating temperature?

Think I got it, it was number 4 coil on plug, picked one up at the auto parts store and got it with first try, hopefully this is for sure I need to drive it for a couple more days to be for certain but definetly so far it has fixed it.
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