lamda sensors

[studaman21]

just a quick question are these essential?
if so what would be the risks of running without one?

[Adam]

Ecu light will be on, and you'll loose mpg.

[studaman21]

oh not too bad then. my ashley manifold snapped at the mounting joint and i'm gonna put a non cat gsi manifold on for the time being

[loggyboy]

Will run lean as well, so dont run like it for too long.