[audi20v] Re: overheating

[Mike Sylvester]

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The functions of the MTFS are as follows:

-When the coolant temp exceeds 119C the boost is reduced
-Engine temp gauge
-Engine temp warning light
-Climate control compressor clutch operation

Mike Sylvester


>> From: Peter Schulz <peschulz at cisco.com>
>>
>> the ECU and Temp gauge get  temperature information from the Multifunction
>> temperature sender ofrMFTS, which is on the left side of the engine, below and
>> forward of the distributor
>Wrong, Peter.  Neither the MPI nor the Motronic ECUs derive coolent temp
>info from the MFTS.  Both use a dedicated sensor located on the back of the
>head.
>
>Bernie
>
>
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Bernie:

If that's the case why does removing the lead to the MFTS in some cases restore boost (part of diagnosing a bad MFTS)?

-peter

Peter Schulz
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