Question about 2000 Ford Explorer

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Spark Plug Problem 2000 Ford Explorer

I have a misfire in cylinder #3 i changed the plug for that cylinder it runs fine and 2 months later it acts up again. Could this be the coil pack?

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  • Anonymous Mar 14, 2014

    no spark from coil pack to cylinder #3

  • Anonymous Mar 15, 2014

    1996 ford explorer misfiring on cylinders 3,4 & 6

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Very well could be or the wiring going to the coil

Posted on Dec 14, 2008

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1 Answer

Reasons for cylinder misfires


Ford coil on plug systems are multi strike ignition (spark) under 1300 rpm then go to single strike a single cylinder misfire can be created by several things . #1 Test engine compression on a cranking engine compression it should be around 150 lbs but if gauge reads different COMPARE to other cylinders that work fine #2 check engine running compression this will be around 120 lbs then rev over 2000 rpm and check pressure drop again COMPARE to other cylinders that work fine. any drop would indicate valve train problems. #3 All internal engine is fine then external problems are present vacuum leaks and or fuel injection volume is low.

Jul 23, 2014 | 2003 Ford Thunderbird

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Cylinder #1 continues to Misfire


What DTC code(s) are you getting?
You performed a compression test on cylinder #1; did you test cylinder #2?
Compare the readings, if there is a significant difference in compression readings between the two, you may have a bad head gasket, a bad valve, etc.
The bottom line, the problem is internal to the engine.

Dec 09, 2013 | 2002 Buick LeSabre

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Misfire cylinder # 3 1996 ford explorer 4.0 Litre


Fire it up at night in the dark and look for arcing. It may be arcing throught he plug wire, it may be finding an carbon path to ground on the plug exterior, or on the coil pack.

Also- check the wire terminal connections for corrosion and make sure they snap into place. on plug and on coil pack.

Jan 14, 2012 | 1996 Ford Explorer

2 Answers

I have a 1997 ford exploere. my clind 3 was misfire. now some noise is coming from the top of the engine like a wislte noise that get real loud. maybe i damage something in the engine


CYLINDER 3 MISFIRE COULD BE LOOSE SPARK PLUG OR CROSS THREAD SPARK PLUG TO CYLINDER 3 THE CYLINDER COMPRESSION IS BLOWING BY SPARK PLUG MAKING A WHISTLE NOISE.

Jul 25, 2011 | 1997 Ford Explorer AWD

2 Answers

Code shows misfire on #4 spark plug, happens every four months like clock work. Change the spark plug and it is fine until it happens again.


It is possible that that particular cylinder is getting enough oil to the plug (seeping by the rings or valve) to foul it out after a period of time.

Mar 12, 2011 | 1998 Ford Explorer

1 Answer

Recently had all plugs and EGR Valve changed.


firewall

4 - 8

3 - 7

2 - 6

1 - 5

front

The spark plug firing order is 1 - 3 - 7 - 2 - 6 - 5 - 4 - 8 Make sure the coil is good.

Jul 21, 2010 | 2000 Ford Expedition

1 Answer

I change the spark plug and after starte to shake ann act weir and check engine light came on


Did you gap the spark plugs, or did any of the spark plug wires get damage while removing them, or did a spark plug wire get crossed,the engine light is most likely a cylinder misfire, I would check or replace spark plug wire's.

Jul 14, 2010 | 2003 Ford Explorer

1 Answer

Low compression on number 6 cylinder of 1996 ford explorer 4.0


check, 1. spark plug for firing(replacing plug is a cheap fix)
2.#6 spark plug wire for proper strong voltage.
3. distributor cap #6 TERMINAL, (replace cap for another cheap fix)
remember trouble problem may be intermittent, so it would be beneficial to use "CHEAP FIX" solution first. GOOD LUCK. KEEP ME INFORMED. THANKS

Feb 28, 2009 | 1996 Ford Explorer

2 Answers

Engine misfires


You didnt mention having changed the spark plug wires, so that is another item that could be culprit as well. As well, it could be a coil pack that is not working properly.

I cannot recall at the moment if that model year uses coil on plugs or if it uses coil packs. Either way, if it uses a coil on plug set up, take the one for the #3 cylinder and move it to say #4 or anyone of your choice and see if the misfire follows

If it uses coil packs, there is likely one coil pack that controls two cylinders. In that case just swap the coil pack with an adjacent one and see if the problem follows. Pay attention to where the spark plug wires go because it will be an issue if you get them mixed up. You just swap the coil packs around.

I would, however, start with the spark plug wires if you have not changed them already.

Dec 31, 2008 | 2003 Ford Explorer

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