On Nov 7, 8:36*pm, jim beam <spamvor...@bad.example.net> wrote:
> On Fri, 07 Nov 2008 18:16:26 -0800, septic...@peoplepc.com wrote:
> > My 93 EX automatic has over 200K miles on it, I am recent nth. owner,
> > car runs perfectly but only gets low 30's with careful suburban driving..
>
> > Based on experience, what one item would you suggest replacing that can
> > have an immediate positive impact on fuel economy?
>
> > Thanks in advance !
>
> apart from all the usual maintenance items, look at the tw sensor. *even
> though testing showed mine to be "in limits", replacement took my civic
> from 31.8mpg up to 36.2mpg. *
>
> i only really spotted the difference because i have two cars essentially
> the same - civic and crx, both automatic, same engine, maintained to the
> same standards, even same tires/tire pressures. *crx was in the 36's long
> term average, civic as stated. *oil always got dirtier quicker on the
> civic too and it had a problem warming up in cold weather, even with two
> new thermostats. *finally concluded it had to be the sensor, and hit pay
> dirt. *was totally convinced when i went to my local junkyard and
> discovered that there was hardly a honda in the place that still had a tw
> sensor in it. *someone, somewhere was switched on to this problem some
> time ago!

Thanks ! What does "TW" stand for? What is its technical name?