Question about 2002 Ford Excursion

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Still have a miss fire 02 Excursion changed all coil packs and plugs the #3 plug was the only one with black soot on it?

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Place a non fouler ahead of the plug of the one with the black on it
is what I would try.

Posted on Dec 22, 2016

  • James Webster
    James Webster Dec 22, 2016

    a non fouler screws onto the spark plug and has a small hole on end of it which prevents soot buildup on the electrode. Clever aint it?

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3 Answers

I have a miss fire on cylinder 2and 3 I have changed coil pack ,spark plugs and wires still have the missing in it did not make a difference what else can I do


Is the computer code coming up as a misfire or are you actually feeling the misfire when you drive? Make sure all the grounds for the coil packs and engine are solid and clean. Many times there is rust corrosion under the pack or the retaining screws etc, Low compression can feel like a misfire as well. If all items are OK do a compression check to verify its not an issue.

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I have a 02 Saturn SL 1.9 SOHC I have changed 1 coil pack & spark plugs but it still misses bad & check engine light flashes


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I have a 2005 grand pix and 3 and 6 coil pack has no speak I change all that and the plugs and wires and the has a miss fire what do I do


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My 2004 chevy trailblazer is missing badly. Had them read the code for me at auto zone and it said I had a miss fire on the number one cylinder. I changed the plugs and it is still missing badly


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Check the right wiring diagram connections... 2002 Mercury Cougar 2.0 liter DOHC L4 VIN "3"

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Also, I find few diagrams about Igniotn System...

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Fig. Engine Ignition, Page 01 (2002, System overview)



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Fig. Engine Ignition, Page 02 (2002, Duratec-VE)



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Fig. Engine Ignition, Page 03 (2002, ZETEC-VCT)





Hope helps.

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1 Answer

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Hello there:
Just out of curiosity did you change the ignition controle module this sits under the coil packs that is bolted to the engine This tells the plugs when to fire and it can fire on half of it and have the other half not work this is one of the first things that will fail and give this type of a problem also you may want to check the crankshaft sensoer and the camshaft sensor too.
Ok hope this helps alot
Best regards Mike

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2 Answers

I have 02 L300 3.0 with cylinder1 miss fire.I


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1 Answer

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1 Answer

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