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-   -   Doesn't the cylinder head temp sensor give a signal to the temperature gauge? (http://forums.pelicanparts.com/porsche-911-technical-forum/635822-doesnt-cylinder-head-temp-sensor-give-signal-temperature-gauge.html)

Tippy 10-21-2011 05:02 AM
Doesn't the cylinder head temp sensor give a signal to the temperature gauge?
 
If your CHT sensor is failing or failed, wouldn't the temp gauge show false readings?

dad911 10-21-2011 05:08 AM
Do you mean the temperature gauge on the dash? That reads oil temp. Different sender.

CCM911 10-21-2011 05:08 AM
Temp gauge is for oil. CHT reports back to the ECU if I am not mistaken.

E Sully 10-21-2011 05:09 AM
No, the temp gauge just shows oil temperature. CHT sends it's signal to the dme for mixture control.

Tippy 10-21-2011 05:55 AM
Ah, I always assumed that was head temp.

Makes, sense as the head probably heats up rather quickly and the oil lags behind.


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