RE: Air/fuel ratio monitors

["Duncan Sinclair" <duncan@pondhop.com>]

<< I wonder why modern production vehicles
don't use EGT instead of (or in addition to) O2 sensors?>>

My guess is because the primary reason for all this stuff (O2, ECU etc) is
to get minimum emissions. Performance and economy are secondary concerns.

It has got me wondering though, an EGT now sounds like a nice idea.

Duncan