rpm goes down and high

2006 CHEVROLET OPTRA
8 MILES • 1.6L • VR5 • MANUAL
Avatar
AVINASH JHA
  • MEMBER
  • 1 POST
I have purchased this car second hand. it is running fine but sometimes my rpm goes very high. and now while driving i use the clutch and the rpm goes down and it has started to miss now. please help me.
Oct 20, 2017 at 6:51 PM
Advertisement
Avatar
STRAILER
  • Experienced Mechanic
  • 55,063 POSTS
It sounds like you have a vaccum leak. Do you have a check engine light on? We should run the codes to see what comes up. Here are a couple of repair guide I need you to go over so we can get started on fixing your car.

https://www.2carpros.com/articles/how-to-use-an-engine-vacuum-gauge

and

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Please let us know what happens.

Cheers, Ken



Oct 23, 2017 at 5:14 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.