1996 Other Chevrolet Models Received 2 diagnostic codes

1996 CHEVROLET
Avatar
CHRISR
  • MEMBER
  • 5 POSTS
Engine Mechanical problem
1996 Other Chevrolet Models Four Wheel Drive Automatic

I ran a diagnostic test after getting a check engine light and I got a code for two O2 sensors. Codes 131 and 151. Truck has no power
Nov 16, 2009 at 6:32 PM
Advertisement
Avatar
HMAC300
  • ASE Certified Mechanic
  • 48,601 POSTS
  • ASE Certified Mechanic
if you are getting a code for a pre and post O2 sensor then try tp put a vacuum guage on the car and run it. If it is low your catalytic converter may be plugged or collapsed.
Nov 19, 2009 at 5:41 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.