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Melting coil packs

What would cause a 2000 ford mustang coil pack to keep going bad and last time melt

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: new coil pack in 1998 Ford Escort failed in one week?

alright the most likely cause is the spark plug wires. put a set of wires on it and let us now how things are. good luck.

Posted on Nov 23, 2008

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keeperoffire
  • 106 Answers

SOURCE: 2000 Ford Expedition EB runs rough and begins to shake and stall

I personally would start with the one that runs cylinder #3 and then take it from there.

Posted on Mar 09, 2009

emissionwiz
  • 76087 Answers

SOURCE: 99 mustang 3.8l coil pack

this diagram is from the Factory service manual,66b104f.gif the coil pack may be over the passenger valve cover on your year, the orientation of the coil leads is the same though.

Posted on Apr 07, 2009

juncro
  • 467 Answers

SOURCE: 2002 ford taruas 3.0Lv6 keep having 2 replace coil

check your vacuum line and the electrical systems

Posted on Jul 16, 2009

mnelsonix
  • 58 Answers

SOURCE: ford mustang - year 2000 - 3.8 liter. The coil pack is out?

I replaced the coil pack to no avail. I also purchase a code reader while at the auto parts store. This device told me cylinder 3 was misfiring (P0303). I found that the spark plug wire had shorted out on the manifold sensor tubes. Replaced that wire and done.

I highly recommend keeping a code reader in your car tool kit. very useful.

Posted on Sep 09, 2009

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Both coils do not fire on 1 and 4. Will start but only running on 2 cylinders. Could both coils be bad or should I look elsewhere?


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Jan 31, 2016 | Cars & Trucks

1 Answer

Melted coil pack.


which engine? 4L or 4.7L?????
the pack shorted,
buy a new pack,
and pray it didnt burn up the PCM.
ALL high voltage coils fail.
Ignition, induction coils.
by dirt, heat, and the fact there is the giant
E fails (electrostat fields)
all three work hard to kill insulation and plastic potted coil packs.
also bad spark plugs can make this happen faster
as the voltage hits 100,000 volts in a misfire.
the heat and time can crack most plastics.
cracks are sure DOOM thing.

the coil can also burn up if the ecu ignitor transistor shorts. causing gross infinite dwell
that burns up all coil packs .
i always check my ignitor for shorts before
putting in any new expensive coil.
if you dont, you risk burning up the new coil in less than 5 mins.
some swap packs and now you have 2 burned
fun to watch that? not.
what i do is crank engine and measure my ignitor pulse. (with no pack there) if good
a new pack works. if no pulses the ignitor is bad.
(where is your ignitor)? INSIDE THE PCM. this year.



swap it out.
why not just read the free FSm, as posted here over 200 times
2000 WJ jeep it is, and the book , see chapter spark.
and error on this page, see instrument cluster and get igntiion
grin, not my error.? grin
chapter 8i -page 10 (8,eye)

4.0L and 4.7L sorry cant guess engines this life.

the 4L has huge 6 pack coil RAIL that?
athe 4.7L has, uses 8 COP got that?

my wild guess, based on tea leaves and dosing rods.
is V8
page 10 covers it

http://www.morris4x4center.com/knowledge-base/index.htm?utm_source=cj#service

usually the left side goes bad, carbon tracking
most COP i just buy a new cop boot set for small money.
why not youtube 1000 replacing a COP.
you never posted a photo of the melt,
as when i see real damage it talks to me big time.
if the actual coil section melts, bad news

as you can see, it's just 1 screw at id 2.
and one plug at id 3... super simple, to remove
twist CCW, CW, CCW ,say 2 or three time,
the pull out while TWISTING.. to avoid damage.
the put back with dielectric silicon grease on tip
and where body fits tight to head well bore


26034209-5vuw5hefdgv3qomokclhnrcl-2-0.jpg

Jan 02, 2016 | 2000 Jeep Grand Cherokee Laredo

2 Answers

What is causing my coil packs to burn out and melt repetitively on my jeep liberty 03?


for coils to burn or melt indicates excessive current flow through them
have voltage checks done wiring as there may be a problem in the ignition module that is allowing excessive current to the packs

May 14, 2015 | 2003 Jeep Liberty

1 Answer

1994 mustang v6 started running real rough and is now almost dieing when I press the gas I have cleaned.


Many times the plugs and wires are cancelled out with the coil pak.
change all of them, you will be glad you did.
The ignition coil pack is a crucial part of your ignition system. It's function is to convert the 12 volt power of your vehicle's electrical system in to 35,000 or more volts. This produces a high intensity spark at the spark plug which then ignites the fuel in the cylinder. Coils in general will wear out over time and cause a misfire condition. In engines like this that use a coil pack, if one coil goes bad, the complete assembly needs to be replaced. PLEZE LET ME KNOW. there isn't anything else.


  • HOLLANDER #: 610-00133
  • OE #: 919F-12029-AA

Sep 17, 2012 | 1994 Ford Mustang

1 Answer

2000 Ford mustang GT 4.6 keeps eating ignition coils for cyl. # 5 & 8 every few months


That is normal
Not likely #5 & #8 all the time. Don't go by codes you get. Walk a new coil,until you find bad one

Oct 10, 2010 | 2000 Ford Mustang

1 Answer

2000 ford expidition will not crank over. Battery good


This could be a number of things, however, make sure that the battery is indeed good, as I have had batteries that have tested good, but once I put in a new battery my car would start immediately.

Have the alternator tested, check all connections at the battery, the starter, and the ground which will run to either the chassi (frame) or the engine block, or a bracket that mounts to the engine block.

Also make sure all relays and fuses related to the battery, alternator, starter and ignition are good.

If this has a distributor, make sure the coil wire is secure at both sides. This alone will prevent it from cranking and/or starting. If you have coil pack(s), have it (them) tested; this (these) will also have a modular under them, which cannot be tested, so if you look at it, if it looks white, bubbly and/or melted, it needs replaced.

I will let you know that coil packs and the modular are spendy, so only replace any packs that are deemed (tested) bad.

Last, if this is equipped with a distributor, check the cap and rotor. If the rotor is cracked, is white on the metal end tip, and the metal points in the cap are white, and/or warn (grooved) and have caked material on them, replace them. Check all plug wires for frayed, or melted plastic. If any are in such conditions, replace all, (they come as a set with a coil wire for distributed systems)

Please let me know if you need any further assistance.

carsandcomps,

Guru, Premium Expert @ Fixya.com

May 29, 2010 | 2000 Ford Expedition

1 Answer

2000 expedition 5.4 lt run fine when cold when warm misses bad anyone know whats wrong??


a very common problem for the 5.4 fords is the coil packs going bad. normally misfires once heated up and under slight load ( in overdrive going up a grade) if the check engine light is on, it can help pinpoint which cylinder is misfiring. if plugs haven't been replaced within last 50-60k miles, plan on replacing plugs, and usually the coil pack that goes bad is one of the rear ones, but impossible to tell without a scan tool. if you don't own one, take it to a shop

Feb 20, 2010 | 2000 Ford Expedition

2 Answers

2001 ford 4.6 liter idles rough sometimes dies


may need 1 0r more coil packs replaced,or it could be what happened to my 2000 4.6---1 lifter expanded out and wouldnt collapse,causing the rocker arm to fall out of place and the valve could never open...try unplugging 1 coil pack at a time while running and listen for a change in the way it runs,if there isnt a change then its probably a bad coil pack,find a cylinder that runs and swap the coil packs,if no difference then its probably the valve staying shut.

Nov 21, 2009 | 2001 Ford F150 Styleside SuperCrew

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