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Son of intermittent no start - Part II 200 1993

posted by  HillBilly on  Thu Jul 11 10:16 CST 2013
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last visit: Thu Oct 16 08:26 CST 2014
[RELATED]

That's a good idea.
I had the same exact problem and it nearly warped my brain trying to find the solution.
I had spark at the coil but no spark at the plugs, and the problem was only showing up at random times.
I swapped rotor buttons as a last resort and the engine started and ran normally the first try.

If you're checking for spark, check at the spark plugs themselves.

The OP said that he had a test light rigged up inside the car, but if the resistance of the test light bulb is too low, the light may flash, indicating
normal spark while the coil still can't fire the plugs because of the high resistance (and resulting voltage drop) thru the rotor button.
I hope that made sense.

steve






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