Why does rpm gauge go up and down when I go 60-65 is this a problem
Friday, August 5th, 2011 AT 11:11 AM
2 Replies
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.