why does the car accelerate and reduce accerate on its own

2005 CHEVROLET AVEO
68,000 MILES
Avatar
MONIE5488
  • MEMBER
  • 1 POST
when im driving its accelerates up to 3 then it will reduce acceleration to 0 like if its going to shut off and it dont pick want to pick up speed.
Dec 12, 2011 at 12:53 AM
Advertisement
Avatar
RASMATAZ
  • ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
Check/test the fuel pressure,TPS and MAP sensor
Dec 12, 2011 at 1:01 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.