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Missing a cylinder.

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razzle308
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2012/11/07 17:50:09 (permalink)
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Missing a cylinder.

Hi all.
I am missing no3 cylinder.
When i was tuning the other day i could wind down the mixture on 3 (2x40mm dcoe's) with no effect.
So i pulled the plug lead - no effect.
Pulled others with expected result.
Lead is good - tested.
Plug is good - tested.
spark is good - tested
compression is good - tested.
 
any ideas?
thanks.
 

http://www.classic-ford.org/cfp/tm.aspx?m=40148
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#1


6 Replies Related Threads
    ronsmallford
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    Re:Missing a cylinder. 2012/11/07 18:18:17 (permalink)
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    That just about only leaves fuel to be tested.

    "Horsepower loves the absense of weight" (from Elfin ad)
    "The car that reshapes your life".(Ford ad)
    #2
    razzle308
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    Re:Missing a cylinder. 2012/11/07 18:24:38 (permalink)
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    Well thats kinda what i thought. just hought i'd see if there was anything else i should check.
    So that's likely to be blocked idle i suppose.
    I did check the idle jet but i guess i have to blow out the mixture circuit.

    http://www.classic-ford.org/cfp/tm.aspx?m=40148
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    #3

    richo17
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    Re:Missing a cylinder. 2012/11/07 18:41:46 (permalink)
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    is it missing at revs or just at idle? it is common for big carbs to give you a miss at idle in only one cylinder, but it will work at revs. 
    #4
    razzle308
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    Re:Missing a cylinder. 2012/11/07 18:53:08 (permalink)
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    well i am thinking it's ok at revs since it drives ok.
    haven't driven it for 14, 15 years so ...
    kinda hard to tune though like that.

    http://www.classic-ford.org/cfp/tm.aspx?m=40148
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    #5
    Matt75
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    Re:Missing a cylinder. 2012/11/07 19:38:13 (permalink)
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    Did you put the piston in on that cylinder?
     
    Matt

     
    My 4 door MK II Resto
    http://www.classic-ford.org/cfp/tm.aspx?m=37623

    RS Owners Club Victoria Committee Member - http://rsocvic.com/
     
     
    #6

    razzle308
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    Re:Missing a cylinder. 2012/11/07 19:50:35 (permalink)
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    http://www.classic-ford.org/cfp/tm.aspx?m=40148
    http://members.westnet.com.au/daz_f/
    #7
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