[s-cars] tire pressure sensors

[Cody Forbes]

They have batteries which are supposed to last 6-10 years depending on who you ask. I think they just shut down though. They could be trained wrong. Try to reset them, I think there's a button in the car somewhere that looks like the warning light.

-Cody Forbes

On Jul 23, 2012, at 2:11 AM, "David Giannandrea" <david.giannandrea at sbcglobal.net> wrote:

> I just ordered the Bentley for the 2008 A4 which should answer some of the
> following questions about tire pressure sensors. But this group has so much
> more knowledge I need to ask anyway.
> 
> I looked into the measurement values and found pressures reported that were
> way off from readings taken at the tires. With about 37psi in each tire I
> got readings between 1.87 to 2.55 bar. This calculated to 36,29,30,27psi for
> the 4 tires, and of course, the tire pressure warning light is on.
> 
> Are there batteries in the pressure sensors??
> 
> I guess I just replace the ones that are wildly inaccurate. That would be 3
> of the 5.
> 
> I thought these things were a bit more reliable than that. What's the
> wisdom?
> 
> David G.
> 
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