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No spark

Discussion in 'The Hokey Ass Message Board' started by metal bender, May 14, 2010.

  1. metal bender
    Joined: Apr 1, 2009
    Posts: 177

    metal bender
    Member
    from texas

    Got a 4 cly. distributor dose not fire number 3, fires 1 4 2 skips 3 not the wire, not the cap ???? help !!! :eek:
     
  2. Bigchuck
    Joined: Oct 23, 2007
    Posts: 1,142

    Bigchuck
    Member
    from Austin, TX

    Are you saying that no spark comes out of the #3 wire, or that cylinder #3 is dead? If strong, blue spark jumps out of #3 wire, then plug, piston, valve train.
     
  3. Zerk
    Joined: May 26, 2005
    Posts: 1,418

    Zerk
    Member

    How does the cam on the distributor look? Missing one lobe?
     
  4. metal bender
    Joined: Apr 1, 2009
    Posts: 177

    metal bender
    Member
    from texas

    Dist. is new no spark on number 3 good wire and cap engine is fresh .
     

  5. 29nash
    Joined: Nov 6, 2008
    Posts: 4,544

    29nash
    BANNED
    from colorado

    If you are getting spark through the cap on #3 post, then it's the wire......:D
     
  6. canman
    Joined: May 6, 2010
    Posts: 122

    canman
    Member

    oscilloscope
     
  7. DrJ
    Joined: Mar 3, 2001
    Posts: 9,418

    DrJ
    Member

    Compression test too.
    If it's a Volvo it's a flat cam lobe...
     
  8. metal bender
    Joined: Apr 1, 2009
    Posts: 177

    metal bender
    Member
    from texas

    The egine is not the problem its the distributor dose not fire second hole ! cam in dist. good rotor good cap good wires good. what the hell is it ??
     
  9. 57FORD
    Joined: Mar 8, 2010
    Posts: 97

    57FORD
    Member

    im assuming its a points type dist. if it is, get it to Cyl#3 is and see if the points are opening. if they are and the coil if firing then check resistance at the plug wire. (end to end) and see what the resistance is. then move the wire and see if it changes or reads Open lead (OL) on a DVOM. if the wire is fine and you swapped plugs from a known good cylinder then i would say you have a mechanical problem. dead cylinder, flattened cam lobe if the valves are not opening or a stuck open valve.
     
  10. 57FORD
    Joined: Mar 8, 2010
    Posts: 97

    57FORD
    Member

    another thing did you swap any parts from a known good cyl to the bad one? like plugs and wires and see if it moved to another cyl?

    another idea is you might have a tooth or two missing from the dist gear or on the cam gear and its throwing things off. but i would think that would mess your timing up so bad that it wouldn't run.
     
  11. 57FORD
    Joined: Mar 8, 2010
    Posts: 97

    57FORD
    Member

    plus alittle more info like what kinda 4 cyl. what car was it in or is it in?
    might help me help you figure this thing out:)
     
  12. metal bender
    Joined: Apr 1, 2009
    Posts: 177

    metal bender
    Member
    from texas

    Hey 57 ford your close to the answer, I am going to see if the pionts open on numb. 3 thanks . A 4cly. 2.3 ford with injectors and all the good crap to run fast . :rolleyes:
     
  13. canman
    Joined: May 6, 2010
    Posts: 122

    canman
    Member

    Injectors like EFI?
     
  14. metal bender
    Joined: Apr 1, 2009
    Posts: 177

    metal bender
    Member
    from texas

    Got the bug out, pionts were not seated on the distributor plate properly . EFI no Hilbourns yes on gas :rolleyes: thanks yall
     
  15. 57FORD
    Joined: Mar 8, 2010
    Posts: 97

    57FORD
    Member

    nice man glad you figured it out :)
     

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