"jim beam" <nospam@example.net> wrote in message
news
oCdnYKelv5iJtbeRVn-qQ@speakeasy.net...
> Burt Squareman wrote:
>> "jim beam" <nospam@example.net> wrote in message
>> news:jdadnRl8_6YgstbeRVn-qQ@speakeasy.net...
> indeed. my test was limited to "drivability" which meant two things on my
> automatic: hesitation and smoothness of gear shifts. the first, i kinda
> hoped for, the second i was not expecting at all. when i first got this
> 89, it had been filled with non-honda atf and had the old "shift like a
> door slamming" feeling. i'd changed the atf back to honda three times and
> the shift was a lot better, but still a little harsh and i figured it was
> probably due to permanent contamination of the clutches. when i changed
> the sensor however, suddenly, the harsh shifting improved dramatically!!!
>
Interesting! I hadn't considered the effect of O2 sensor response time on
changes like throttle changes or shifting. It makes sense, though. That also
means that old O2 sensors are likely to affect shift smoothness and throttle
response, since slowness is a common "failure" mode.
Mike