rpm gauge

1991 FORD EXPLORER
350,000 MILES • 4WD • MANUAL
Avatar
PEANUTSAREGOOD
  • MEMBER
  • 5 POSTS
why does rpm gauge go up and down when i go 60-65 is this a problem
Aug 5, 2011 at 11:11 AM
Advertisement
Avatar
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.
Aug 5, 2011 at 11:44 AM
Avatar
RASMATAZ
  • ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
Could be a clutch problem

Go to this link: https://www.2carpros.com/articles/engine-surges
Aug 5, 2011 at 12:40 PM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.