<911> Bosch Motronic -Forward -Reply
Brad Anesi
BANESI at novell.com
Tue Feb 20 20:42:29 GMT 1996
In a recent post, I had gotten a response back about the temperature
sensors NOT being linear. Listed below is the response I had to this post
from my friendly (and quite knowledagble) Alfa mechanic.
Serve ...volley ...volley ...???
>Brad, the temperature sensors Bosch uses are thermistors and in all
>the testing I've done with them, it sure as hell looks like they're linear.
>And even if they are not, adding a fixed resistor of whatever value
>simply starts the base at a little higher value and goes on from there.
>The object is to have the ECU understand that the engine temperature is
>a little colder than the sensor says it is so it will be rich enough to start
>easily and run smoothly if that proves to be the problem. The use of a
>TrimPot tells the story.
>I can be wrong, others can be wrong. Please let me know what you
>find.
Further opinions anyone?
Brad
'86 Porsche 911 Coupe
'91 Alfa Romeo 164
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