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Old 07-21-2013, 06:21 PM   #11
lmcd314
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If its a focus I can fix it. (Two spi builds,)
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Old 07-22-2013, 06:24 AM   #12
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Try replacing the coil pack it causes misfires its a common known problem and 80% of the time never throws a CEL.
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Old 07-22-2013, 06:35 AM   #13
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Quote:
Originally Posted by anarchy0392 View Post
Try replacing the coil pack it causes misfires its a common known problem and 80% of the time never throws a CEL.
I think im going to check it out tonight, thanks for the tip!
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Old 07-22-2013, 01:59 PM   #14
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A compression and leak down test will tell you if the ring story is correct.
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Old 07-22-2013, 09:32 PM   #15
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the vehicle is now mine, checked it all over before purchase, tires and brakes are good, shifts well, clutch grabs, doesn't burn oil, doesn't smoke, and there wasn't any exhaust coming from the oil cap, but it doesn't run right, i spoke with my ford master tech uncle today and he said to check fuel system and timing, took t- belt cover off and it looks original (146k miles) prev owner did the plugs, wires, and coil pack.
CEL brought up:
P0301 and P0304 (misfire on piston 1 and 4) it almost has the power of a 2 cyl car....
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Old 07-24-2013, 08:33 AM   #16
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First I am trying the timing belt, tensioner and pulley, I will do a compression check after i'm done, this way I know that the valves are right where they belong.
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Old 07-24-2013, 09:40 AM   #17
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Why not do it before also? rental kit and it takes less than 30 min? that way if you know its the rings your not taking the timing belt all apart. I have not seen many cases where the timing changes on the zetecs. if its all stock parts its highly likely the timing is fine.

Also if you have a miss fire, why not look at the injectors, plugs, wires, and coil pack first?

Up to you, but I would say, $800 car, non interference motor, I will not beat up on the car since the timing belt had 150k miles on it, but will look at the misfire issue first... but thats me.
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Old 07-24-2013, 11:58 AM   #18
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Also check the firing order make sure someone didnt put the wrong plug wire on the wrong coil tower. Also check the wire clip for the coil pack its a common thing for the wires to start pulling out or braking. Hope that helps!
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Old 07-24-2013, 11:21 PM   #19
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fixed!!

the coil, plugs and wires looked fine (all new).the previous owner stated that he used injector cleaner with every fill up, but to be on the safe side i ran a bottle through one of the small vacuum lines, then began work on the timing belt, tensioner, pulley, and serp belt. timed it properly witht he zetec timing tools and fired her up, car ran smooth (smoked a bit from injector cleaner sitting in there) all the power is back, my guess is that the mechanic did a compression check but since the timing was off the some of the valves were not fully closed giving a false reading. this is what caused the misfire. almost reminds me of my SVT. and for $1050 i have a perfectly running zetec 5spd. thanks for the input,
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Old 07-25-2013, 05:29 AM   #20
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Thats cool good job bringing it back.
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