[T3] great weekend drive

[Jim Adney]

On 1 Oct 2011 at 21:54, Bryon Garvin wrote:

> > The resistance is highly dependent on temperature, and the actual
> > numbers are quite variable. The resistance comes down dramatically as
> > the sensor warms up. Here's what Bosch says it should be:
> >
> > at 14 F: 7-12 kOhm
> > at 68 F: 2-3 kOhm
> > at 122 F: 0.68-1.0 kOhm
> 
> Ok, thanks.  Yeah I got my 2K value from the website that talks about
> testing everything thru the ECU cable.  I'm sure you've seen the site.  It
> was for 68F.

Thru the cable is best, if only because it tests the wires as well as 
the devices.

> > I think it would be hard to tell if the sensor is at fault by looking
> > at its resistance as the engine warms up. You have the chicken and
> > egg problem: Is the engine hot because the resistance is low, or is
> > the resistance low because the engine is hot?

> Yeah, you hit it on the head.  I'm still waiting on that next tank of gas
> for mileage results.  Shouldn't be long.  I'm almost due for a complete
> fillup.  Hope YOUR mileage improves, Jim, over your last numbers !!!!

I drove yesterday and noticed a drip on the driveway after I got 
home. It's under the pump, so I need to watch that. Maybe there's a 
leak that I hope will be easy to fix. I hope it's not in the pump!


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Jim Adney, jadney at vwtype3.org
Madison, Wisconsin, USA
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