5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

still bad idle

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Old 09-12-2009, 06:08 AM
  #1  
stangmanfifty
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Default still bad idle

Well i got all my parts today from summit, (MSD cap n rotor, new ford racing cables, autolite plat plugs, 02 sensors, new 10-40 castrol HM), AND pony still idles like ****..? I have the stock h-pipe that phisically looks like crap but still bolts up on her but the weird part is that the exhaust smells just as strong as it smells with the o/r h-pipe? Can this h-pipe be the problem with the bad idle?
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Old 09-12-2009, 07:49 AM
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mjr46
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when you mean bad idle do you mean it surges or rough idle??
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Old 09-12-2009, 02:11 PM
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Dj_Seph
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You ever check to see if the dizzy was off a tooth or two?
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Old 09-13-2009, 05:11 AM
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stangmanfifty
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Originally Posted by mjr46
when you mean bad idle do you mean it surges or rough idle??
It sounds like it has a bigger than stock cam. Let me put it this way, it sounds like it wants to catch a steady idle but just sounds more rough than anything. Very light rough not bad rough as in backfiring etc. The car runs nice and strong just that idle.......

Originally Posted by Dj_Seph
You ever check to see if the dizzy was off a tooth or two?
Sorry im tired hear at my night audit job.., but what do you mean by dizzy?

Maybe a sensor? Ive checked vacume lines but couldnt find any leaks?
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