Does the AEM UEGO fit into stock rear O2 bung?
Evolving Member
Joined: Apr 2011
Posts: 125
Likes: 0
From: West Seneca NY
It does but you don't want it there if you still have the catalytic converter on the car.
Reason is that the cat removes hydrocarbons and changes the A/F ratio readings.
You want it before a cat or if no cat then the stock location is fine.
Athanasios
Reason is that the cat removes hydrocarbons and changes the A/F ratio readings.
You want it before a cat or if no cat then the stock location is fine.
Athanasios
