Smog system 1987 chevy 5.7L suburban

1987 CHEVROLET SUBURBAN
V8 • AUTOMATIC
Avatar
DONALD6825
  • MEMBER
  • 2 POSTS
Will there be any communication issues with ECM regarding the fuel air mixture if I properly disconnect the smog system(Plug exhaust manifold, disconnect electrical, plug vacuum ports)
Mar 1, 2011 at 4:39 PM
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.
Advertisement
Avatar
JDL
  • CAR REPAIR CONTRIBUTOR
  • 16,098 POSTS
If you live in a state that does sniffer tests, I don't think that will work. Also, may turn on check engine lite?

Illegal?
Mar 1, 2011 at 6:58 PM
Advertisement
Avatar
JDL
  • CAR REPAIR CONTRIBUTOR
  • 16,098 POSTS
The o2 sensor tells the computer if system is rich or lean.
Mar 1, 2011 at 7:01 PM
Avatar
DONALD6825
  • MEMBER
  • 2 POSTS
Thank you for the answer. That is what I hoped you would say, thanks
Mar 1, 2011 at 8:46 PM
Avatar
JDL
  • CAR REPAIR CONTRIBUTOR
  • 16,098 POSTS
Glad to help.
Mar 3, 2011 at 4:55 PM