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Thread: 4age not sparking

  1. #1
    Senior Member JDM-086's Avatar
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    jdm 4age 16v bigport
    was waiting at the lights engine decided to turn off and not start. narrowed it down to no spark from the coil/ignitor, so i changed them both and still no spark (also changed the lead) which kinda leaves me stumped, my mechanical no how is pretty shithouse. i ran a few test that i could think of dunno if it really proves much but i found it interesting non the less.

    -got an LED with + and -, put the negative on the car batt and the positive on + part of the coil, now with the accessories on the light turned on, then as soon as i tried to crank it over the light turns off. :wacko: :wacko:

    apologies again if this may sound stupid or an easily solved issue for some.

    cheers Dario

  2. #2
    Senior Member shakes's Avatar
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    remove the lead from the coil and and pull the boot back, sit the exposed metal with a 2mmish gap from the rocker cover, get someone to crank just quickly while your watching the end of the lead. if it's all good it should arc from the end of the lead to the engine. (if it's bright daylight may be hard to see)

    that will give you a 100% on if it's the coil not sending spark.

    ohh, don't go grabbing the exposed lead while the car is being cranked... you'll remember it for a little while

  3. #3
    Senior Member JDM-086's Avatar
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    i 4got to mention i tried having some1 crank it over with my thumb over the end of the lead whilst connected to the coil, although somewhat fortunate i wasnt shocked at all

  4. #4
    Senior Member JDM-086's Avatar
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    bump..help !! i need to get to work

  5. #5
    Senior Member JDM-086's Avatar
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    bump

  6. #6
    Senior Member DavisJD's Avatar
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    <div class='quotetop'>QUOTE </div>Might not mean much Dario, you have to shorting it to the rocker covers, or other unpainted metal. Your shoes might have insulated you from the ground, which would make the current not run through you.

  7. #7
    Senior Member gumbie's Avatar
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    Could be a fucked ignition switch or a blown fuse probably labeled EFI in the fuse box or a fusible link on the positive battery terminal.

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