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

need help/advice

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Old Mar 28, 2010 | 06:23 PM
  #1  
03bluemach1's Avatar
03bluemach1
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Joined: Oct 2008
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From: nc
Default need help/advice

My car just rolled over 70,000 and i have never had a problem. On the way home i noticed my car started running rough. I made it home and the motor was running rough and had a mild shake to it, also i was getting white smoke out of the tail pipes. When you start it up it smells like straight gas and when you shut it off white smoke pours out of the passenger side tail pipe. Also in the passenger side tail pipe i noticed a yellow thick liquid which smells like a gas/oil.

If any has any advice or help they can give me on to way my car might be doing this i would greatly appreciate it

Thanks
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Old Mar 28, 2010 | 06:35 PM
  #2  
boduke0220's Avatar
boduke0220
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From: Yadkin, Nc
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hmm blown head gasket maybe? werent the 03's know to throw spark plugs? that might be it, but theres no reason oil should be in the tail pipe if thats the case.
Old Mar 28, 2010 | 07:14 PM
  #3  
03bluemach1's Avatar
03bluemach1
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how can you tell if its a head gasket? check spark plugs for oil? drain oil pan?
Old Mar 28, 2010 | 07:28 PM
  #4  
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masterofthepuppets99
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From: Portland, Oregon
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you might be burning coolant in one of your passenger side cylinders. at least white smoke points in that direction...depending on how bad the head gasket failure is (if it actually is that) there may be coolant in the oil pan. you can check your dipstick and if there is milkshake lookin gunk on it then it would seem to be a head gasket failure.
Old Mar 28, 2010 | 08:11 PM
  #5  
boduke0220's Avatar
boduke0220
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white smoke is coolant too isnt it? blue is oil,black is burning rich, and white is coolant. I think.
Old Mar 28, 2010 | 08:48 PM
  #6  
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fidelcastrol
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From: King, NC
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Drain the oil into a clean pan, if it's milky time for a new headgasket. Has it ever run hot?
Old Mar 28, 2010 | 09:03 PM
  #7  
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WhiteFoxGT
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is the CEL on? have it checked for codes
Old Mar 28, 2010 | 10:25 PM
  #8  
03bluemach1's Avatar
03bluemach1
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From: nc
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the check engine light hasnt came on. The last time and only time it ran hot was about a year ago. If it is a head gasket why would it smell like straight gas on startup?
Old Mar 31, 2010 | 07:00 PM
  #9  
Markus989's Avatar
Markus989
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From: Seattle Washington
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Because its on open loop mode the car runs rich until it leans out at operating temp. However my car dosnt like REEK of gas but its noticable...Fuel leaks maybe? White smoke is usually headgasket or coolant of some sort. See any lose of power or compression? Maybe do a compression check and yes if you check ur oil and see any milkshake or smell of coolant its headgasket time.
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