Thread: Spark plug
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Old 10-06-2015, 09:24 PM
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Terry C Terry C is offline
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Location: Iowa
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Quote:
Originally Posted by j4c11 View Post
I have developed a foolproof method of identifying bad spark plugs. You will need a multimeter for this. Measure resistance from the terminal stud to the threads where it screw into the block. If resistance is infinite, you got a bad spark plug. I have identified dozens of bad spark plugs this way .
How many good ones do you find?
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