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Headgasket trouble? 900 1997

posted by  Amarin on  Mon May 23 17:05 CST 2022
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last visit: Thu Oct 23 22:42 CST 2014
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Dear Metallo,

That engine coolant temp sensor (ECT) has TWO thermistors (temperature sensitive resistors) electrically grounded to its metal body. You shouldn't measure across those two terminal within the connector. You should measure between one terminal within the connector to its metal body. Do the same for the other terminal. Your ohms reading should be about half of what you posted. I think your ECT is ok.

Why two thermistors? One for the fuel computer, the other for ignition computer.

Amarin.






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New Headgasket trouble? [900][1997]
posted by  Metallo  on Fri Apr 1 20:26 CST 2022 >


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