coolest temperature sensor

A forum for the legendary Nissan Pathfinder and Infiniti QX4.
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Jbuck
Posts: 2
Joined: Thu Aug 29, 2019 9:33 am
Car: 2000 Infiniti QX4

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Having a hard time finding the coolant temperature sensor. Code po115.

I replaced the coolant temperature sender unit above the thermostat single wire. But where the hell is the coolant temperature sensor?

2000 QX4

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mdmellott
Posts: 1147
Joined: Mon Sep 02, 2019 3:32 pm
Car: '13 Kia Soul+ 2.0L AT
'02 Pathfinder SE 3.5L AT P/4WD
Location: SF Bay Area, CA

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Page EM-10 of the factory service manual has an exploded view of component parts on the engine.
https://www.nicoclub.com/service-manual ... 0%2FEM.pdf
It looks like the ECT sensor is mounted into the water outlet pipe at the front of the engine, which is also where the thermal transmitter is located.
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Jbuck
Posts: 2
Joined: Thu Aug 29, 2019 9:33 am
Car: 2000 Infiniti QX4

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Thanks I found it.
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