Coolant temp sensor

[scott2093]

Grabbed these in case it helps...

 

[AuroraGirl]

So what is the resistance of the sensor? And if you have continuity truly on both wires to the PCM, then you have a failed sensor most likely

There is one other posibility and its a short to power of 5v on the signal wire. But before we assume that, lets get the resistance on a cold sensor

 

[Joe Dirte]

So what is the resistance of the sensor? And if you have continuity truly on both wires to the PCM, then you have a failed sensor most likely

There is one other posibility and its a short to power of 5v on the signal wire. But before we assume that, lets get the resistance on a cold sensor

There ya go

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[scott2093]

That looks normal..ish...what's temp outside where you're located
Try the 20k setting..
and the 2k just to be sure it overloads

 

[AuroraGirl]

There ya go

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if you , with key on engine off, put a lead to a random ground , what do both wires end up saying on voltage range?