Question about 2003 Ford Mustang

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Is replacing an ignition coil on a 2003 Mustang a simple task for a novice individual?

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The best thing to do is buy a manual for the car and it will halp u through almost anything u have the tools for

Posted on Jun 04, 2010


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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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Mar 1, 2012 - Spark plugs for cylinders #2 and #3 get spark at the exact same time. ...voltage -12 Volts) to both individual ignition coils within the coil pack. ... Ford Mustang or Ranger (or 2.3L Mazda B2300), this is what you'll need ... for this 'Switching Signal' at the coil pack... but you can also test this ... 1991, 1992, 1993.

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Apr 3, 2012 - Bad Fuel Injectors can cause a Misfire Condition. ... the ignition system on the 2.3L Ford Mustang or Ranger consists of 2 ignition coil packs, ...

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Jul 27, 2007 - My truck is giving the code misfire in number 4 cyl. I replaced my spark plugs, Wires, Coil packs (both of them) and all my fuil ... three (3.0L v6) go bad, the fuel/air mixture gets messed up. Judged: 2. 2 ... My truck runs rough only at idle. ...code for ford ranger 2002, 2.3 5speed. truck runs like a champ but that ...

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Jan 31, 2016 | Cars & Trucks

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Ignition coil on 2003 buick rendezvous how to replace

Your vehicle has three coils. They each have two plug wires that need to be removed and then there are two screws holding each of them on.

They are normally replaced individually as needed though, and not as part of a tune-up.

Mar 19, 2012 | 2003 Buick Rendezvous

1 Answer

I have a 2003 ford mustang has no spark i replaced the ignition coil but still no spark,i think it has a bad pcm

does the "check engine " light come on with key on. It should. now try to start car, it should go off. If it does not go off, check the Crank Position Sensor. A bad CMP (Crank Position Sensor) will cause no spark.

Nov 22, 2010 | 2003 Ford Mustang

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What is the spark plug setting for izuzu axiom 3.5 v6 my car is hard starting at 152000 miles, i replaced the timing belt flushed the injectors replaced fuel filter

Hi. You will need to Adjust each spark plug gap to 0.031-0.035 in. (0.8-0.9mm). With that said; i would check the status of all the ignition coils that are on top of each plug. Your engine is equipped with a COP coil design. Each plug will have its own individual coil on top. Each coil can be tested for proper resistance levels. You may have one or several bad coils that are malfunctioning. If these coils have not been changed, I would recommend to test each one to be sure that they are functioning at a high level.

Here is a simple testing procedure to verify that your coils are functioning as designed. A weak coil will cause a very hard start situation. Follow carefully:

1.First you will need to check the ignition coil assembly for insulation. Check terminals for corrosion or damage, and replace as necessary.

2. Next; Gather you ohmmeter or multimeter and measure the resistance of ignition coil assemblies and compare with the following specifications:

a. Terminal 1 to 2: Without 0 ohms or infinity maximum ohms.

b. Terminal 1 to 3: Without 0 ohms or infinity maximum ohms.

c. Terminal 2 to 3: Without 0 ohms or infinity maximum ohms.

3. Now; If the measured values exceed the specifications listed above, the ignition coil must be replaced.

Aug 16, 2010 | 2003 Isuzu Axiom

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I wanted to know the steps! I last changed plugs on my 1995 4-runner. The armada looks like it has an electronic system attached to the plugs!

That is individual coil for each spark plug. Unscrew the coil before you pul it off from the plug. Just replace spark plug as normal then put back the coil plug. Repeat this for each spark plug. It is a simple task but it takes some time to complete. Have fun.

Dec 28, 2009 | 2005 Nissan Armada

2 Answers

Car wont start it turns over but no spark.i have a nissan almera 1.5s 2003

I think SWOOP needs to check the car year poster said 2003, I don't know where my distributor would be, lol. And I think I've got coil PACKS not a coil, lol.

Doesn't anyone know the nissan proceedure to check for spark in a 2003 Sentra 2.5?

Dec 19, 2009 | 2003 Nissan Se R

1 Answer

How do I replace a 1999 mustang cobra ignition

A '99 Cobra has 8(!) Coils. This is calles a "Coil on Plug" Ignition System.

Oct 11, 2009 | 1999 Ford Mustang Cobra

2 Answers

I have 1985 ford mustang 5.0 how can Iget spark to the coil

If there is no spark to the coil thenit has t be in your ignition box. Most likely on the passenger side undeer the hood. If no spark through te coil then you need a new coil. Or it could be as simple as a ground wire undone.

Jun 14, 2009 | 1985 Ford Mustang

2 Answers

Can't locate spark plugs

ook on the top of engine u will see eight individual ignition coils with connectors going to them, they are held over the plug with a single 8mm machine screw, they are a nightmare to remove and replace the plugs under them. here is a picture of a coil so u know what to lok for.

Mar 26, 2009 | 2003 Ford Expedition

1 Answer


negative to the points, positive to the hot wire that goes to the firewall.

Aug 19, 2008 | 1966 Ford Mustang

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