Question about 1999 Ford F150 Regular Cab

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I have # 4 cylinder misfire code on my 99 f150. what is the easiest way of going about replacing the plug and coil at this hard to get at spot? Or could a bad fuel injector be the problem??

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If you have a miss fire it's probably the wires, plugs and coil pack and is it a 4.6 v8 or a 4.2 v6. Its rare that the injectors on a Ford ever go bad. They have the best injectors in the car industry.
Tune ups are easy on both v6 and v8's.

Posted on Apr 18, 2009

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Number 3 and 4 are not firing from coil on 2002 subaru outback 2.5


its faulty coil.

Get the compression test done on each coil.these will let you know if its faulty coil or not.

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It can be issue with spark plugs or faulty spark plugs. Also get the compression test done for cylinders. If any of cylinder shows low compression then required, then that particular cylinder will cause misfire.

Also get obd codes scanned, the error code will let you know which cylinder is misfiring or all cylinders are misfiring.

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For your trouble shooting I suggest you to refer the help oinks below. It has step by step details for many engine misfire issues.

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Click the link below:-----


Ford Explorer Cylinder Misfire?

http://whoisbyme.blogspot.in/2012/06/ford-explorer-cylinder-misfire.html

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Engine Misfire codes on Chevrolet Malibu?

http://schematicsdiagram.blogspot.com/2011/12/engine-misfire-codes-on-chevrolet.html

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Cylinder 6 Misfire?

http://howtobyme.blogspot.com/2011/12/cylinder-6-misfire.html

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Misfire on cylinder 4?

http://schematicsdiagram.blogspot.com/2011/12/misfire-on-cylinder-4.html

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While stop engine idles like cylinder missing?

http://schematicsdiagram.blogspot.com/2012/01/while-stop-engine-idles-like-cylinder.html

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Ford Explorer 5.0L: Engine Miss?

http://whoisbyme.blogspot.in/2012/06/ford-explorer-50l-engine-miss.html

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Oil on spark plugs and car misfires?

http://technoanswers.blogspot.in/2012/02/oil-on-spark-plugs-and-car-misfires.html

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Can cylinder misfire Damage the Catalytic converter?

http://schematicsdiagram.blogspot.in/2012/02/can-cylinder-misfire-damage-catalytic.html

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Car misfires and error code P0306 and P0303 is shown?

http://technoanswers.blogspot.com/2012/01/car-misfires-and-error-code-p0306-and.html

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Chevrolet K1500 No spark, random misfire

http://repairhelpcenter.blogspot.com/2012/11/chevrolet-k1500-no-sparkrandom-misfire.html

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2004 Ford F150: Engine Misfire and Lean Code?

http://whatisbyme.blogspot.in/2012/05/2004-ford-f150-engine-misfire-and-lean.html

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1995 Toyota LS: Misfire at idle or low RPM

http://whatisbyme.blogspot.in/2012/04/1995-toyota-ls-misfire-at-idle-or-low.html

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Toyota Corolla: Random Misfire?

http://technoanswers.blogspot.in/2012/04/toyota-corolla-random-misfire.html

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2006 Ford Freestar: Misfire on Cylinder Number 2?

http://whatisbyme.blogspot.in/2012/06/2006-ford-freestar-misfire-on-cylinder.html

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This will help.

Thanks.

Nov 28, 2012 | Cars & Trucks

1 Answer

Misfire on #4 cylinder when accerating on a 2005 renderous


I would start with switching a coil, swap # 4 coil to another spot and see if the misfire moves, the coils on this van operate to cylinders so move it and see if the misfire changes then you know its the coil and if it does not then next thing is to check spark plug and wire, replace the plug and wire and if that solves it then tune up van, good day,

Oct 14, 2012 | 2005 Buick Rendezvous

2 Answers

I have a miss in my 98 ford f150 the trouble code shows up as misfire #4 and sometimes #5 cylinder what causes this


If it is a 4.2L or a 4.6L , it most likely needs spark plugs and spark plug wires. Please only use Ford spark plugs or it will not fun good after. After market spark plugs do not work too well in a Ford. After market spark plug wires can be used ok. If it is a 5.4L it has Coil On Plug which means each cylinder has its own Coil. If thats the case you may need 2 coils as well as plugs. Hope this helps. Cobra.. :-)

Jun 12, 2010 | 1998 Ford F150 Regular Cab

1 Answer

My 2002 f150 is hesitating acutting out and idelling rough .my code reader says the engine is misfireing on cylinders 3 and 5. what could be the cause?


Take the coils on the cylinders that are misfiring and swap them with ones that are not and see if the misfire changes.If it changes to where the coils were put then replace the coils.Also check the plugs.Coils are known for going on these.Hope this helps.Good luck.

Jan 12, 2010 | 2002 Ford F150 Regular Cab

2 Answers

2002 f150 engine misses after car wash?


Take off the distributor cap and spray some WD-40 in there and on every sensor you may think may have gotten any moisture. Hope you didn't damage any of them. Check the spark plug wires also.

Dec 29, 2009 | 2004 Ford F150

3 Answers

Misfire code#306


cylinder #6 is misfiring check plug(if gap incorrect can cause misfire, fouled etc) , coil on plug (or Wires) poss spark plug coil pack (check for cracks and heat damage in insulation of pack)

Oct 20, 2009 | 1996 Ford F150 Regular Cab

2 Answers

Coil 8 misfire


It if is misfiring on one cylinder. The replace the plug wire first. Make sure plug is good.
If two cylinders are misfiring, then you will want to replace the cap, rotor, or coil pack depending on what you have.

Sep 28, 2009 | 1986 Ford F150 SuperCab

1 Answer

2004 Lincoln navigator misfire on cylinder 8 error code p318


Replace the coil pack once more. I went through 2 new ones on my f150 on one cylinder. One worked, the other didn't (both new off the shelf). Condensation build up in the boot caused mine to misfire. Anytime you replace a coil pack, squirt a little silicone grease inside. This will prevent condensation from hitting your plug. Fords are notorius for this problem, especially if you live in a humid area. Also, make sure and clear the codes after you make the repair.

Jun 10, 2009 | 2004 Lincoln Navigator

2 Answers

99 cougar v6 P0352 misfire cylinder 3 and 4 replaced igntn coil..


Had the same problem, car was misfiring on cylinder 3 and 4. replaced wires, plugs, and ignition coil. still misfired on the same cynlinders. turned out the main engine wiring harness plug in was coming loose. spent well over $150 on the unneccesary repairs and ultimately fixed the problem wit a $3 bag of wire ties to hold the plug in...

May 04, 2009 | 1999 Mercury Cougar

3 Answers

1997 ford f150 cyliner 7 misfire


sme problem had to have it put on computer and codes reset

Feb 05, 2009 | 1998 Ford F150 Regular Cab

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