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-   -   CHT Sensor question (http://forums.pelicanparts.com/porsche-911-technical-forum/1163668-cht-sensor-question.html)

Koizumi 06-29-2024 12:31 PM
CHT Sensor question
 
My ‘84 randomly shuts off. More and more now.

As I troubleshoot the usual suspects, I decided to check the CHT sensor. So I unplug it to check ohms with my multimeter…

I’m not crazy or am I? It should have 2 prongs not 1?

https://uploads.tapatalk-cdn.com/202...6e611f0a1c.jpg

Koizumi 06-29-2024 12:36 PM
There is no broken prong stuck in the female to DME connector. Can the car run decently without the CHT sensor? Or at all?

Koizumi 06-29-2024 12:43 PM
It runs when connected. If anyone has any input, I would be very grateful.

E Sully 06-29-2024 12:55 PM
Porsche originally supplied single wire CHT sensors, using the mount as a ground. Later on due to issues they switched to 2 wire sensors. I upgraded to the 2 wire sensor on my '86 engine.

Koizumi 06-29-2024 01:31 PM
Quote:
Originally Posted by E Sully (Post 12274616)
Porsche originally supplied single wire CHT sensors, using the mount as a ground. Later on due to issues they switched to 2 wire sensors. I upgraded to the 2 wire sensor on my '86 engine.

Thank you for reminding me this! I forgot!

Ordered up a 2-wire sensor. Hope it helps my stalling car.

Cheers


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