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Re: [Shop-talk] How do they do that?

To: "'Jack Brooks'" <jibjib@att.net>, "'shop-talk'" <shop-talk@autox.team.net>
Subject: Re: [Shop-talk] How do they do that?
From: "Gerald Brazil" <gerrybraz@cablespeed.com>
Date: Sun, 11 Apr 2010 19:41:10 -0400
I buy Randall's idea that it has a way to test the fuel octane as soon as
you start the engine because it was giving me an increased DTE reading
before I ever put it in gear....

-----Original Message-----
From: shop-talk-bounces@autox.team.net
[mailto:shop-talk-bounces@autox.team.net] On Behalf Of Jack Brooks
Sent: Sunday, April 11, 2010 5:53 PM
To: 'shop-talk'
Subject: Re: [Shop-talk] How do they do that?

>OTOH, the car is guessing that you filled up the tank.  It can't measure
>the input to the tank, only the outflow.  So it is possible that it is
>underestimating the amount of fuel you put in.

No, it can't measure inflow directly, but it can measure fuel level, so it
knows how much was added.

Jack
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