Question about Mazda 323

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94 protege dx sohc weak spark???????

Ok I have a yellow spark off the coil.my problem started one day, the car has been running fine. got up started it and it spits and sputters. the yellow spark has me stumped,i had the trigger tested at advance auto parts,disty clean no wobble,tried a delco coil same symptoms i am stumped. Please help I am disabled on a fixed income and I cant just throw parts at it .. Kenneth

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  • huntingdeer4 Aug 16, 2008

    ok let me clairfy this,the coil is not just sparking to the frame, i was talking about if you pull the coil wire off the disty and hold it close to a ground it shoots a yellow spark,an old shade tree coil test if you will.

  • huntingdeer4 Aug 16, 2008

    I have checked grounds(as many as I could find) checked condensor pulled connectors at ecu,tore down both fuse boxes,cleaned connectors under dash, tore down disty(just a halleffect sensor) changed plugs(even though spark at coil is yellow) the only code i get is a rich/lean condition which i would expect considering the way it is running.

  • huntingdeer4 Aug 17, 2008

    this is a 94 protege as far as i can tell it dont have an egr if you know different let me know, thanks

  • huntingdeer4 Aug 18, 2008

    do you have a diagram of the cooling system?

  • huntingdeer4 Aug 18, 2008

    unplugged the iac valve last night and the idle speed rose,should I pull it out and try to clean it? looked up the cost on one $500 bucks...geeze does it cook and do housework too?

  • huntingdeer4 Aug 18, 2008

    can you send me that on my e-mail nothing came up?

    huntingdeer48@yahoo.com

  • huntingdeer4 Aug 18, 2008

    shade tree test ..if i remove the hose that goes to the intake box and blow in it there is minimal change between hot and cold so I am assuming it is stuck open? buy the way thanks for all your help i do appreciate it. I am disabled and need this car to get around.. Kenneth

  • huntingdeer4 Aug 18, 2008

    where it connects to the air box that contains the air filter I blow toward the iac and throttle body. Should I rate helpful for now then fix ya when we are done? I havent done this before I want to give the upmost kudos.. Kenneth

  • huntingdeer4 Aug 18, 2008

    there ya go! e-mail sounds good to me, downloading the file now

  • huntingdeer4 Mar 23, 2009

    had the ignitor tested it is fine on mine still havent fixed it...bummer

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I know ths is late, but I had the same problem. I replaced the plugs, plug wires, rotor & cap, ignition coil & then the entire distributor -- no change. What finally fixed the problem was a new "igniter" from a junkyard -- small device located on the bracket which holds the coil & fusebox. The old igniter was a bit corroded on the back from fumes from the battery. While I was at it, I also put in a new ignition condensor which is mounted on the same bracket -- but later determined that the old condensor was fine. A new igniter is expensive (>$100) but you can get one chepaly if you pull your own from a junkyard (I paid $7 for mine). Good luck.

Posted on Mar 23, 2009

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Wrap the coil with some kind of rubber shielding that should be a low cost solution.

Posted on Aug 16, 2008

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  • kristopher betzler
    kristopher betzler Aug 16, 2008

    roger that......make sure the ground and hot leads are in good working order, and the coil wire.
    i will research this if all those things are good.


  • kristopher betzler
    kristopher betzler Aug 16, 2008

    well i've been looking around for a fix. it seems that the yellow spark is near normal. every thing i have read so for is the EGR is going bad, couseing to run rough thus sending a bad signal telling your coil to reduce spark resulting in a run rich/lean code.
    every thing i have read the person has replaced every thing you have. the only diferance is the EGR...so maybe try that.
    let me know..


  • kristopher betzler
    kristopher betzler Aug 17, 2008

    ****. well let me pull down a book and i'll get back with you ...



  • kristopher betzler
    kristopher betzler Aug 18, 2008

    i don't have a diagram here, but i am looking for one...i'll post it as soon as i get one.

  • kristopher betzler
    kristopher betzler Aug 18, 2008

    this is for a 96 but it seems like most of the 4 cyl. stuff is the same.
    it is a complete manual.
    let me know if this helps you.
    if not i'll try and find something ells.


  • kristopher betzler
    kristopher betzler Aug 18, 2008

    yep they cook breakfast only tho , i would try and clean it out.
    just be genital. don't want to break anything now. ;-)


  • kristopher betzler
    kristopher betzler Aug 18, 2008

    no problem i'm a disabled vet. so this gives me something to do, happy to help, oh and rate me please , you are on my unrated list still
    has the iac done the dishes yet.
    ant way what are you calling the intake box , where the are filter is or the throttle body...or?


  • kristopher betzler
    kristopher betzler Aug 18, 2008

    just go ahead and do fixya..we will continue to resolve this. it might be easier to communicate via e-mail there is a delay running through this sight.
    and yes sound like it may be stuck open.
    i'll double check for you.


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