why does rpm gauge go up and down when i go 60-65 is this a problem
Aug 5, 2011 at 11:11 AM
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AUSERNAME123456
MEMBER
106 POSTS
The rpm gauge is called a tachometer. If it operats irradically at 60-65 mph it may be defective. If your engine is straining to maintain highway speed it could be a transmission problem.