No power bogging down

1994 GMC TRUCK
222,340 MILES • 5.7L • V8 • 2WD • AUTOMATIC
Avatar
DWAYNE1956
  • MEMBER
  • 1 POST
No power ESC mod on check engine light where is it?
May 27, 2019 at 12:44 PM
Advertisement
Avatar
ASEMASTER6371
  • ✓ASE Certified Mechanic
  • 52,796 POSTS
  • ASE Certified Mechanic
Good afternoon,

What is the code?

What has been done so far?

https://www.2carpros.com/articles/engine-has-low-power-output

Roy
May 27, 2019 at 1:08 PM
Avatar
JDL
  • ✓ASE Certified Mechanic
  • 16,098 POSTS
  • ASE Certified Mechanic
The knock sensor module is what I found to relate to your question. I agree with other person, the code number would help. The pink wire at module is fuse protected and goes hot with key on.
Image (Click to enlarge)
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
May 27, 2019 at 2:01 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.