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Ignition coil trouble 05 Ford five hundred sel it's missing while idling and running rough changed plugs and boots wondering if ignition coil are bad and how do I check them

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With the motor running and the hood open, try pulling a plug wire off one at a time. When you notice no change or stumble in the motor after pulling a wire off, then that would be the cylinder where your problem is.

Posted on Apr 26, 2017

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Posted on Jan 02, 2017

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2005 Ford five hundred sel starts up runs nice and smooth when it warms up starts to have a weird idle like there is a cam loop but never dies drives down the road smooth


How long since a tuneup? Any applicable trouble codes?
The generic info for rough idle on any vehicle is to check for a leak of some kind, fuel--egr--vacuum, something of that nature.

Oct 29, 2016 | Ford Cars & Trucks

1 Answer

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?


Part 3 -How to Test the Ignition Module and Crank Sensor ...

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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.

How to Diagnose a Misfiring Cylinder (2.3L Ford Ranger ...

troubleshootmyvehicle.com > Ford > 2.3L
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, ...

2002 ranger misfire rough idle - Discussion on Topix

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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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Codes- P0171, P0174, P2106, P0351, P0355 and P061C the car is a 2006 ford five hundred. The car runs good at times. any suggestions?


P0171 System too Lean (Bank 1)
P0174 System too Lean (Bank 2)
P2106 Throttle Actuator Control System - Forced Limited Power
P0355 Ignition Coil "F" Primary/Secondary Circuit
May be your car run normally now, but you must check and repair the fault in advance.
____________
MaxiDiag Elite MD802

Mar 21, 2013 | 2006 Ford Five Hundred

1 Answer

Ford five hundred running on 5 cylinders


the code p 0302 refers to no 2 cylinder misfiring===causes --engine mechanical fault ---wiring--ignition / fuel system---injector--ECT/Maf sensor ---ECM
you state that the engine runs normally for several seconds so I would eliminate a mechanical fault at this stage
most misfires are from faulty injectors so reposition the injector to another cylinder and see if the miss moves along as well
if it doesn't move but stays at no 2 cylinder , then it could be a problem ECM
if you can get a substitute ECM of known good performance , swap it out and see if that fixes the fault

Mar 26, 2017 | 2005 Ford Five Hundred

1 Answer

Fuel cutting off/rough idling/O/D light blinks/shifting gears


What kind of spark plugs did you put in it? The 4.0 litre engines in these trucks require PLATINUM spark plugs. If you put the wrong ones ( regular copper) it will miss fire and run like a bag of garbage. I had a similar problem with mine, the previous owners said "oh we changed the plugs and wires". They also changed the ignition coil not long before I took delivery. So, truck still ran like **** they said they even had to reset the inertia switch under the passenger side kick panel, everyone thought it was a fuel problem. I decided to pull one plug and volia..Wrong plugs. That also explains why they had to change the ignition coil. Hope this helps.

Jun 14, 2010 | 2004 Ford Ranger

2 Answers

Check engine light blinks


Ok, i would ave the ignition coil pack tested for its operational valve asap if possible. this is either an ignition coil pack issue or, a bad ECM. the ECM controls the ignition timing in this vehicle so, the problem will be there if the crank shaft sensor and cam sensors are ok.

I would pull the trouble codes asap as well. this will help diagnosis this issue correctly. this can be done at a local auto zone or a local mechanics shop as well.

Jun 19, 2009 | 2001 Ford Windstar

1 Answer

Check engine light comes on. p0171 and p0351 codes found


From Lusty Kid:

I know the economy is bad, but change all of the plugs. Check your PCV Valve hose, 150 rottens them out allowing air to be sucked in, thus all kinds of codes.

Depending on mileage. Dismount the EGR valve and clean passages. If you are really good dismount the throtle position sensor body and clean out passages with Choke Cleaner., dismount where the EGR valves connects to the engine, clean out passages. Also check the hose thats behind this mounting to ensure is not clogged. If clogged clean it out. If not replace it. Is about 1.5 ft. long, connects to the PCV Valve Hose.

When is the last time you change your harness. Can't remember??? Replace it. Good Luck

Nov 24, 2008 | 2004 Ford F150

1 Answer

0300 trouble code


check ignition system , sounds like a ignition miss fire p 0300 normaly is a coil or lead fault or bad spray patterns on the injectors can also cause a miss fire when the engine is cold .

Jul 28, 2008 | 2001 Honda Civic

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