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Help Needed. I Have a Misfire!

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Old 13-05-2006, 05:39 PM
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kez_cos
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Default Help Needed. I Have a Misfire!

Any idea of what would cause an intermittent misfire in my cossie?

1st happened at pod, at high rev's full boost.

Now occasionally happeneing at low rev's with no boost. Today was at about 3 thousand. Rev counter flew up to 7 thousand but the engine rev's did not rise, scared every bird in my village with an almighty bang!

Starting to get really, really annoying now as it does not follow any pattern, does it anytime which is most inconvenient when playing with a Z4!!!!



Any advice would be much appreciated!!!
Old 13-05-2006, 05:40 PM
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MAD EVO 4
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I would of thought Martin being a tech he would of sorted this for you

Old 13-05-2006, 05:44 PM
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kez_cos
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Because he was fixing his diesel saff and will be tomorrow. He is a busy boy!!! So thought i would see if anyone on here has any ideas!!!
Old 13-05-2006, 05:48 PM
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This is very true.

Im sure the good people on here will be able to help you out.

Old 13-05-2006, 05:50 PM
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kez_cos
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Fingers Crossed!!!!!
Old 13-05-2006, 06:40 PM
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Turbo Zetec
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Originally Posted by KA ZETEC
I would of thought Martin being a tech he would of sorted this for you

give me a chance.. i've got my own headaches to sort!
Old 13-05-2006, 06:43 PM
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Rs1
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Crank position sensor??

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Old 13-05-2006, 06:49 PM
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Turbo Zetec
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its not the plugs or map sensor btw... tried those

am hopefully going to try coolant temp sensor and air temp sensor tomorrow if i get time.
Old 14-05-2006, 09:40 AM
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kez_cos
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Anyone else got any ideas?!?!?!
Old 14-05-2006, 09:43 AM
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GARETH T
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leads,,, phase/crank sensor and wiring
Old 14-05-2006, 10:01 AM
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melzieann
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Have you still got the 3 connecter plugs at the back of the engine bay?
Old 14-05-2006, 10:06 AM
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kez_cos
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Yes connector plugs still thee!
Old 14-05-2006, 10:12 AM
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cut them out and re-solder the wires then
Old 14-05-2006, 10:18 AM
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melzieann
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I had exactly the same problem, try cleaning them out but DONT put anything in them ie wd40 make sure inside the connector is clean and dry, if that dont fix it,
time to cut them out and hard wire them
Old 14-05-2006, 10:20 AM
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kez_cos
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Thanks guys, will try cleaning them now. Fingers crossed!!
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