 Cylinder Head Temp Sensor |
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| young55961 |
 Nov 1 2026, 02:20 PM
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#1
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Member  Group: Members Posts: 53 Joined: 15-March 18 From: Arcadia Member No.: 21,972 Region Association: Southern California  |
I think I may be missing the Cylinder Head Temperature (CHT) sensor on my 1975 Porsche 914 2.0L engine.
The sensor shown in Picture 1 is the Intake Air Temperature sensor, correct?  I can't find the Cylinder Head Temperature sensor anywhere on the engine. In Picture 2, is that the correct mounting location for the CHT sensor?  If anyone has a picture showing the CHT sensor installed in the cylinder head, I would really appreciate it. It would help me identify the correct location. Thanks for your help! |
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| JeffBowlsby |
Nov 1 2026, 10:51 PM
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#2
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914 Wiring Harnesses & Beekeeper Group: Members Posts: 9,378 Joined: 7-January 03 From: San Ramon CA Member No.: 104 Region Association: None 
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What being referred to here as temp sensor 1, is the thermoswitch, not TS1, although its function as a switched ground for the cold start valve is correct.
TS1 is in the air plenum, sensing the intake air temperature. |
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Posts in this topic
young55961 Cylinder Head Temp Sensor Nov 1 2026, 02:20 PM
JamesM Picture 1 you have there is of "Temp Sensor 1... Nov 1 2026, 03:02 PM
young55961
Picture 1 you have there is of "Temp Sensor ... Nov 1 2026, 03:37 PM JamesM
It is not the original heads. The PO converted i... Nov 1 2026, 08:04 PM frank_c
If anyone has a picture showing the CHT sensor in... Nov 1 2026, 10:19 PM |
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