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

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Old Jun 21, 2009 | 08:49 PM
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i got in my car today and when i turned the ignition i heard a loud pop and i saw smoke coming out of the engine. i turned the car off and looked around under the hood and found that my #2 coil was blown in half. the plastic part that u bolt down to hold the coil in place was broke. what happened?
Old Jun 21, 2009 | 09:32 PM
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Your spark plug blew out. Its either time to helicoil it or slap on some trickflow heads.
Old Jun 21, 2009 | 09:36 PM
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what is a helicoil? basically ur saying my engine is done?
Old Jun 21, 2009 | 09:39 PM
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No your heads are done.
Old Jun 21, 2009 | 09:55 PM
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is there a way to tell what the problem is. obviously i atleast need a new coil, but how do i know if the head is done? what should i look for? how does this happen?
Old Jun 21, 2009 | 10:07 PM
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Pull the coil out and look at the sparkplug rattle around in the hole.
Old Jun 21, 2009 | 10:09 PM
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Look at the coil pack if it still in one piece its good. Take the spark plug out if you don't need to use a plug socket to get it loose then the area where your plug goes is stripped out. This just happened to my down the street neighbor on his F-150 it cost him about $2500 with labor to replace the heads.
Old Jun 21, 2009 | 10:18 PM
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well i will be doin all this tomorrow. how much are heads? can they be installed easily or is it something i have to take to a shop? if im going to spend $2500 ill just get a whole new 2v engine lol...
Old Jun 21, 2009 | 10:30 PM
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NO just go with a pair of after market heads. Trick Flo and Patriot Performance both nice heads.
Old Jun 21, 2009 | 11:14 PM
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Originally Posted by gunpig0313
NO just go with a pair of after market heads. Trick Flo and Patriot Performance both nice heads.
if im going to spend $2500, y not get a new engine? mine has 190,000+...



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