1991 Lexus LS 400

1991 LEXUS LS 400
210,500 MILES • V8 • 2WD • AUTOMATIC
Avatar
JOSH ATALLAH
  • MEMBER
  • 1 POST
my r.p.m dont move up
Mar 6, 2010 at 7:04 PM
Advertisement
Avatar
DAVE H
  • ✓Experienced Mechanic
  • 13,384 POSTS
TACHOMETER TEST
Connect a tune-up test tachometer and start engine. Compare vehicle tachometer RPM reading against test tachometer. If vehicle tachometer reading is outside allowable range, replace tachometer.
Mar 18, 2010 at 1:25 AM
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.