rear o2?

[Raymond A. Kawski]

Michael Jez wrote:

> change from rich to lean back and forth pretty fast, it it
> stays at once spot or another for too long, U got a dud.

That doesn't make much sense.  Well first your talking about
a Hyundai but the rear O2 per the FSM has a longer switching
cycle then the front it shouldn't be going back and forth
rich lean fast.  Mostly because its behind the cat.

RK
--
Ray Kawski
1998 Sentra SE Turbo, 1991 NX 2000, 340K mile 1991 Sentra SE-R
Poconos, PA