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2006 Cayenne S Coolant Temp Sensor

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The other night I pulled my Cayenne into the garage to swap the bad driveshaft in it. The car had set for 5 days under heavy rain somedays. I shut the vehicle off and the cooling fans kept running. over 7 minutes before I disconnected the negative on the battery. Upon doing some research I found that people are having issues at about my mileage range (I am at 72868) with the coolant temp sensors. I understand there are two of them on the V8 models? The part is cheap, and I want to DIY this and get it over with.

1) where can I find the radiator fan temp sensor / switch?

2) upon reconnecting the batt cable and bringing it back out into the driveway, i noticed the PSM fault light is on... is this normal and will it go off after restarting again?



upon acquiring an all-data subscription I have noticed there is a coolant temp sensor for the computer and a radiator fan temp sensor / switch. given the guage is displaying the correct temp, am I to assume the coolant temp sensor is fine and it is the radiator fan temp sensor / switch?



Edited by lbredefeld
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