Question about 2002 Jeep Grand Cherokee
Most likely a sticking lifter. Try changing the engine oil and adding either lucas additive or marvel oil with the regular oil. Most times it will clear up.
Don't expect it to disappear in one minute though, it took time to get that way. Had one very noisy engine that took using amsoil 0w40 oil and lucas for a year before it totally went away, but it did, and ran another 200K before I got rid of it!!
Posted on Oct 08, 2009
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Posted on Jan 02, 2017
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