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Thread: No Spark... Desperate need for an answer

  1. Junior Member
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    May 15th, 2011
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    1986 VW Golf, 1986 Wolfsburg Cabriolet
    05-06-2012 01:42 PM #1
    Replaced plugs, wires, cap, rotor, coil, module, hall sensor (entirely new distributor), battery

    No spark at all, just died on me while I was driving Northbound on I-5.

    Not sure what else I need to replace or check.

    I've gone through the grounds, sanded down all the grounds, replaced them even.

    What might have happened to my poor 86 Golf.

    The cars details:

    1986 VW Golf 2 Dr 1.8 8V CiS
    5 Spd ACH Manual Transmission

  2. Member ncbrock's Avatar
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    e36 M3 Sedan, M Coupe, FFR Cobra
    05-06-2012 03:00 PM #2
    doesnt something with the seatbelt disable ignition? I wouldnt know 100% because the PO bypassed that anyways and I have harness's. Might want to look into that.

  3. Member vdub4lyf's Avatar
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    (STORAGE)Custom '63 Conv. K. Ghia,(DD) '88 16V GTI
    05-06-2012 03:37 PM #3
    Quote Originally Posted by ncbrock View Post
    doesnt something with the seatbelt disable ignition? I wouldnt know 100% because the PO bypassed that anyways and I have harness's. Might want to look into that.
    '86 did not come with seat-belt disable ignition.

  4. Member
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    82 Caddy, 85 Jetta coupe, 04 B5.5 Wagon, 79 Gti
    05-06-2012 07:30 PM #4
    Try an ignition switch if you haven't already. Terminal 15 runs through it, it's important! Do you have 12v and ground through the coil and distributor while cranking and in run position? Is the ignition control module switching the coil at this point? Maybe that's the module you speak of? It's in the left side of the rain cowl and is a common failure. Try plugging in another one. Do your basic wiring checks before all else.
    Friend's don't let friends apex early..

  5. Member
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    82 Caddy, 85 Jetta coupe, 04 B5.5 Wagon, 79 Gti
    05-06-2012 07:33 PM #5
    Is it a knock sensor, high compression engine with the knock control unit?
    Friend's don't let friends apex early..

  6. Junior Member
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    1986 VW Golf, 1986 Wolfsburg Cabriolet
    05-06-2012 11:22 PM #6
    The ignition control module is the module I was talking about. Spent most of the day trying to get it, my dad came over and helped me check all the wiring twice over, the volts running through everything. As it sits right now, it should start and run as it did a few weeks ago. Just quit working x.x I thought it was the heater core due to liquid build up on the carpet within the carpet of the passenger side, so I spent $4 and go what I needed to bypass the heater core. Still nothing.

  7. Junior Member
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    1986 Golf Chump Car
    07-24-2012 12:40 PM #7
    Got a similar problem, so bump it up. Mine is a high compression engine.

  8. Member Sycoticmynd29's Avatar
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    92 GTI, 2000 GTI
    07-24-2012 02:23 PM #8
    I'm not sure about mk2 engines but mk3 has a Crank position sensor which will prevent spark if it is bad.
    Eurofine
    '95 Jetta 2.0: R.I.P. || '92 GTI ABA: Current Project || 2000 GTI 1.8T: Current Daily

    FS: OBD1 ABA + parts

  9. Member VR6 GLX Man's Avatar
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    1992/VW/JETTA/GLI 2.0 2006/ACURA/TL
    07-24-2012 03:24 PM #9
    Same thing happened to me while at a stop, it was dead battery for me and then when I put the new one in I went straight to autozone so they could test the new battery and alternator, my alternator tested bad, I havent had it to long either, so replaced alternator and everythings good now. So your car cranks, but doesent start, or is it not cranking at all.
    VRSociety #293

  10. Member VR6 GLX Man's Avatar
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    1992/VW/JETTA/GLI 2.0 2006/ACURA/TL
    07-24-2012 03:27 PM #10
    I also died on the freeway, pretty scary, but during heavy traffic. It was a loose negative connection to the battery for that time, I'm sure your connections are good at the battery.
    VRSociety #293

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