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What would cause valve tapping in a Chevy s-10 1988 2.5 engine?
Wiki User
∙ 17y ago
Oil Slug is one of the main causes of a lifter tapping. Something that would up help clean the slug would be an Engine Flush, called Auto-RX. I have never used it but have heard many good things about it and it is made in the USA. Hope This Helps.
Wiki User
∙ 17y ago
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