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Old 01-03-2013, 10:42 PM   #1
littleharv93
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sputtering and misfire

hello i drive a 2000 zx3 2.0 dohc zetec 5sp. ive had it for 2 years with very little problems now all of a sudden under heavy acceleration it sort of chugs every time i go to get on it and it usually happens in between the rpms of 2500 to 5000k if it does it then once i get into the higher rpms it goes away it also does it at idle if i give the car more than 1/2 throttle


i have already replaced the plugs and wires and the coil pack i am going to clean the throttle body and mass air flow senser any ideas on what could cause this problem




thanks
jordan


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Old 01-03-2013, 10:50 PM   #2
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Welcome to the forum


Sounds like a fuel pressure issue to me. Your symptoms are very similar to the fuel pump going out. Very common on that model year. They redesigned the fuel pump and fuel pump canister after the 01' model year. You can try replacing the fuel filter sometimes that helps. Others may have more suggestions just need to wait for them to chime in
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Old 01-03-2013, 11:07 PM   #3
littleharv93
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well i already replaced the fuel filter but i shouldnt have out happened suddenly its been running like that for about 2 months and i just now got a chance to post on here



and to add it had done it for a little bit so i replaced the coil and then it stopped for a little bit then i just came back and has done it for about 3 weeks now after the little spurt where it had gone away after replacing coil



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Old 01-03-2013, 11:11 PM   #4
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Hmm, check the coil pack wiring pigtail. The wires are known to get pulled out.
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Old 01-03-2013, 11:19 PM   #5
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ok will do the wires would just be loose then im assuming and on a new coil pack?
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Old 01-03-2013, 11:36 PM   #6
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Yeah, if the coil pack is new check where the wiring go into the plug. They get pulled out, you can try pushing them back in but most of the time a replacement is better.
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Old 01-03-2013, 11:50 PM   #7
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Quote:
Originally Posted by sleepyboy View Post
Yeah, if the coil pack is new check where the wiring go into the plug. They get pulled out, you can try pushing them back in but most of the time a replacement is better.
X2
Pics (and part numbers) in this thread: http://www.focusfanatics.com/forum/showthread.php?t=209172
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Old 01-04-2013, 12:57 AM   #8
littleharv93
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i guess ill try it hope it fixes it i hate this car right now so much for doing it but its my babay haha so i have to fix it
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Old 01-04-2013, 12:42 PM   #9
littleharv93
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well it worked pigtails were loose now i can actually get on it and enjoy my mods finailly that ive ben doing




thanks guys
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Old 01-04-2013, 01:39 PM   #10
VinnyB
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Quote:
Originally Posted by BC_ZX3 View Post
X2
Pics (and part numbers) in this thread: http://www.focusfanatics.com/forum/showthread.php?t=209172
x3

To the OP:

This wasn't the cause of the problem I had (I had a bad coil), but when replacing the coil, I inspected the pig tail, and saw that the insulation around the wires leading into the pigtail was cracked.
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