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Reply to "Engine performance degrades quickly"

> What puzzeld me is why it worked fine again after I changed the plugs and did
> nothing else, and then got worse again.

If you have a weak spark and/or a rich mixture, new plugs will work for a while
until they get fouled. You can pull a pulg and check it for fouling and can
check spark strength with a tester. The tester will snap in place of a spark
plug and have a grounding clamp. Some have a glass tube, others are open
with an adjustable gap.

Dan Jones
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