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Old 06-16-2013, 11:16 PM   #1
Vohaul
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car is running on 3 cylinders

so the other day on my way to work, it started missing out of the blue..(ie drive up to stop light..fine...leave light, missing) (car is a 2001 focus wagon...ztec dohc)

but after gaining speed, it smoothed out....

managed to get it home at the end of the day, slowly started missing at highway speeds, causing the cel to flash at me..then stop and smooth out, then rough..etc..

went camping for the weekend ...came back today..fired it up...now is definetly missing at all speeds....including idle

so after a quick check..seems number 2 cylinder is not firing...pulled the plug...no spark....tried a different plug...still no spark....

pulled the plug wire off the pack on the right (distributor?)(DOHC ztec 2001 wagon)..

used my multimeter...now im not sure its on the right voltage...but when cranking it over...on the number 2 spot on the dist. i get maybe..1 to .2 of a volt....try it on like the number one spot...instantly goes to over 1.0..so im assuming a bad dist (whatever it's called on this)..is bad?...am i going the right way...is this common?....hard to change?..or am i completely missing something?


Thanks

Paul


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Old 06-17-2013, 01:14 AM   #2
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Coil, not distributor.............
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Old 06-17-2013, 01:32 AM   #3
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Quote:
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Coil, not distributor.............
Ya, that would be it... Lol..... Are these a common problem

Easy to change out?
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Old 06-17-2013, 07:09 AM   #4
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Yep, fairly common. It's pretty easy to remove too, there might even be a how-to around here.

When you take it off and look at the bottom, usually you can see that the insulation is cracked. Then moisture gets in there and you know the rest. I had this happen and bought just the cheap brand from O'Reilly and never had a problem. I usually tend to stick to OEM, Motorcraft or name brand, but perhaps I got lucky.

EDIT: I couldn't find a how-to on here, but here's a Youtube link: http://www.youtube.com/watch?v=BxvcAwNzanc

Take note of the little clip he refers to when unplugging the wiring harness, those are known to break.
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Old 06-17-2013, 09:52 AM   #5
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Try to avoid testing that high voltage coil output with a meter. If you'd happened to get a spark it would have "zapped" the meter - fuse can't blow quick enough to protect it from that large an input. Might give you a zap as well...
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Old 06-17-2013, 11:44 AM   #6
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test your ohms across the coils! this is only true way to test a coil pack on a waste spark system like the focus. set meter to ohms/resistance. place red terminal in one post and black in another. (coil1 to coil3 and coil2 to coil 4) your looking for a reading of 80 to 100 kiliohms. if you get anything lower your going to burn the wires and plugs, any higher and the the spark wont ignite the fuel. if any OL readings then that pack is ead and you need a new one
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Old 06-17-2013, 03:42 PM   #7
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Right idea - test unhooked & off.

1&4, 2&3 should work - those are the pairs that fire together on a 4 cyl..

Cheers!
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Old 06-18-2013, 12:31 AM   #8
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Yaay..after a bit of fighting....stupid stubborn torx screws...i got the coil replaced....only to find one of the wires broken right at the plug....i ended up crimping the wire to a spade terminal which i ground down a bit and stuck it where the broken wire used to come out of the connector....i then covered the whole thing in silcone.....i will stress this is not a permanent fix....nor do i recommend it...lol..but the car runs and drives and will get me to work....


but, can i get the plug seperately anywhere (other than a wrecker)

thanks

Paul
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Old 06-18-2013, 12:49 AM   #9
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not sure how common they are in wrecker yards there, but there's a ton here. ford should also have them (likely will need to be ordered) .

as mentioned, don't test coil output with the meter... unless it can handle it, but I still wouldn't as it's really not that useful. 60k volts or so.
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Old 06-18-2013, 11:38 AM   #10
Vohaul
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Quote:
Originally Posted by Vohaul View Post
Yaay..after a bit of fighting....stupid stubborn torx screws...i got the coil replaced....only to find one of the wires broken right at the plug....i ended up crimping the wire to a spade terminal which i ground down a bit and stuck it where the broken wire used to come out of the connector....i then covered the whole thing in silcone.....i will stress this is not a permanent fix....nor do i recommend it...lol..but the car runs and drives and will get me to work....


but, can i get the plug seperately anywhere (other than a wrecker)

thanks

Paul
Maybe i spoke to soo, the car is a bit smoother now, but it still jerks....i wonder it my ghetto coil plug is causing the issue?
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