checking spark plug


Old 12-30-01, 11:39 AM
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checking spark plug

To check arc for spark plug. I removed spark plug & had someone turn the motor over; I put plug wire back on & held plug with insulated pliers & touched plug on steel frame.Is this enough to get plug to arc.Or is there a better way.
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Old 12-30-01, 01:58 PM
Join Date: Dec 1999
Location: Northeastern NC On The Albemarle Sound
Posts: 10,952

If the plug is good, it should arc like that.
If no spark, replace it.
Good luck!
Old 01-08-02, 02:04 PM
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secondary voltage will rise untill that plug fires, with-in limits.
A spark will look very burnt and worn out before it can't fire,
If I knew what you were working on I could give better advise but
you problem is more than plugs, (module or coil perhaps)

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