Re: 02 sensors (was: starting problems)

From: Bob Tom (tigers@bserv.com)
Date: Fri Mar 10 2006 - 09:20:52 EST


At 10:02 PM 3/8/06, you wrote:
>... to the best of my knowledge, an O2 sensor should not have an effect
>on start up and cold idle.

Agree. PCM is in open loop on start-up. Maybe 40-50 sec. after
start-up as far as I can tell, it goes into closed loop where the O2s
take over.

Bob Tom Ontario, Canada
97 Dakota CC Sport, na modded 5.2L, 4x2, 44RE w transgo, 4.56 SG,
     3000 stall converter, 4175 lb race weight, 13.76 @ 99.65

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