Honda Accord (1990 - 2002) Includes 1997 - 1999 Acura CL

2 ECT sensors?

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Old Jul 21, 2025 | 11:54 PM
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CG1V6's Avatar
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From: Ellensburg Washington
Default 2 ECT sensors?

Why does my 98 accord f23a1 have two temp sensors right next to each-other? Ones a one wire and ones a two wire.


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Old Jul 23, 2025 | 12:33 AM
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MAD_MIKE's Avatar
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From: 94577/Gaillimh
Default Re: 2 ECT sensors?

98/99 cars still have the divorced thermo sensors.
Multiwire goes to the ECU.
Single wire is for the temp gauge.
This is the same as 90-97s.
In 00 or 01 the single wire goes away and the gauge gets its signal from the PCM.
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