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.

Idle problem...

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Old Sep 15, 2010 | 10:20 PM
  #11  
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19stang88
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base timing is 10 degrees. Anything above that requires higher octane fuel
Old Sep 17, 2010 | 10:08 AM
  #12  
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Did you try the IAC valve? that might be a place to start.
Old Sep 17, 2010 | 01:12 PM
  #13  
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AMEN issue solved... BUT I got other problem, the car leaves white smoke... Sometimes without acceleration it doesn't do it, other times it does, when acceleration is applied it leaves a LOT of smoke!!!! I first believe that it was the timing but now I believe it wasn't, because now its at time and it makes the best idle that I have ever hear!!

What it can be?

It maybe the valve seals?

Any idea? Thanks!!
Old Sep 17, 2010 | 01:13 PM
  #14  
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Originally Posted by 19stang88
base timing is 10 degrees. Anything above that requires higher octane fuel
Thanks now its at 10 deegres and its working like a 2011 Mustang, its was at 30 deegre BTDC!!!
Old Sep 17, 2010 | 03:28 PM
  #15  
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DANG 30! How did it run? When do you get the white smoke? It is in the morning or all the time?
Old Sep 17, 2010 | 03:40 PM
  #16  
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Originally Posted by 19stang88
DANG 30! How did it run? When do you get the white smoke? It is in the morning or all the time?
Its all the time, here in Puerto Rico the temperature isn't enough to make it do it even in morning, sometimes in winter it does but its almost never.

I am pretty sure that it is oil that white smoke.

Any idea?
Old Sep 17, 2010 | 03:48 PM
  #17  
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One thing that I noticed was when I was checking the compression the sparks have an oil smell. I don't know if that in a Mustang engine is normal, because in rotor engine it have to smell like that.

And in the throttle body have a little oil before the throttle.

I don't know if this is normal or what? ooo and i believe that I haven't say it I replace the pcv valve to check if it stop shooting withe smoke and it does it a little less but it still...
Old Sep 19, 2010 | 08:43 PM
  #18  
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Originally Posted by )\/(!&\/3|
One thing that I noticed was when I was checking the compression the sparks have an oil smell. I don't know if that in a Mustang engine is normal, because in rotor engine it have to smell like that.

And in the throttle body have a little oil before the throttle.

I don't know if this is normal or what? ooo and i believe that I haven't say it I replace the pcv valve to check if it stop shooting withe smoke and it does it a little less but it still...
Anyone?
Old Oct 3, 2010 | 11:56 PM
  #19  
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no one??!?!?!
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