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Re:Ambient sensor "trick" (archive)
[ Follow Ups ] [ 3-series (E30) Message Board ] [ Msg. Board FAQ ]
Posted by Tom Knowles on July 03, 2000 at 20:40:54:

In Reply to: OBC works after replacing ambient temp sensor posted by MTP325iC on July 02, 2000 at 18:56:17:


In a pinch (a penny-pinch as well)till you can get a used or new sensor try this:

Here's the resistance equivalents for the sensor:
-22 open ckt.
-18 80K ohms
+51 10K ohms
+78 5K ohms
+116 2K ohms

I refuse to pay $$$ for a new sensor that has $ worth of parts in it. But I think this sensor must be important to the ECU as well as the OBC, since I set mine with a fixed resistor eqivalent to 85* the car runs much better. Any reads on this?

Tom



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