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3d914
Joined: 11 Aug 2006
Posts: 28
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 Posted: Tue Dec 04, 2007 11:34 am Post subject: Sensor question - engine sensors |
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Doing some routine maintenance on my 87 - 924S, I noticed two sensors in the head near the front of the engine (drivers side). One has a single wire, the other has a connector. Which is which? I could not find either in the PET or my Haynes manual.
The single wire had a resistor in line before the spade connector. I suspect this is the Head Temp sensor and someone was trying to filter the output signal to the ECU. Is this typical, and if not why do it?
TIA,
Gerard
_________________
Gerard
74-914 2.0L Ravenna Green
87-924S 2.5L Alpine White |
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John Brown
Joined: 07 Nov 2002
Posts: 903
Location: Leesburg VA
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| Posted: Wed Dec 05, 2007 11:26 pm Post subject: |
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No time to check references now; so from memory:
The front single wire is to the temp guage. Resistor? Maybe someone trying to fool the guage reading?
Rear to the DME computer.
_________________
John
80 931 - #931 44Cup
99 Escalade - tows track cars
gone but not forgotten: original 924.org car - 82 |
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924 FAQ (Technical)
