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Newbe question. Something strange found

 
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Old 17 Jul 2016, 08:17 pm
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Default Newbe question. Something strange found

Hello everybody.
I am working on a 2007 PT (non turbo) Cruiser and I found something interesting. The initial complaint was non starting and that was a fuel pump. Pretty easy fix. Now we have an overheating issue whereas the fans do not come on. While searching for the ECT sensor and cleaning the radiator, I found a sensor pushed into the radiator just above the Trans cooler. Is this my ECT? I never thought a new car would use something like this.

Any thoughts? The fans work if the relay is powered, so what ever is telling toe computer to turn them on is not working.

Any thoughts?

mike
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Old 17 Jul 2016, 08:37 pm
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Default Re: Newbe question. Something strange found

Welcome to the forum

Does the sensor you found look like this:



If so, this is the ambient air temp sensor and should just be clipped to the crossmember at the bottom the grill, on the driver side.



If this is not the sensor, can you post a pic of the one you found?
Teekypt likes this.

Last edited by rckstein; 17 Jul 2016 at 08:53 pm.
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Old 17 Jul 2016, 08:48 pm
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Default Re: Newbe question. Something strange found

That is exactly what I found stabbed into the rad. Thanx . Where is the ECT on this PT creature?
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Old 17 Jul 2016, 08:55 pm
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Default Re: Newbe question. Something strange found

Quote:
Originally Posted by harlyworkr View Post
That is exactly what I found stabbed into the rad. Thanx . Where is the ECT on this PT creature?
Do you mean the coolant temp sensor?
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Old 17 Jul 2016, 09:01 pm
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Default Re: Newbe question. Something strange found

That is correct. Engine Coolant Temperature sensor. I am assuming this is the sensor to turn on the fans
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Old 17 Jul 2016, 09:05 pm
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Default Re: Newbe question. Something strange found

Quote:
Originally Posted by harlyworkr View Post
That is correct. Engine Coolant Temperature sensor. I am assuming this is the sensor to turn on the fans
It's in the thermostat housing:



I found the above pic on the internet, but I don't think it's actually acurate as the coolant temp sensor on my PT is on the timing belt cover side of the thermostat housing, about where the 4 is, 90 degrees from where it's depicted in the above pic. The one in the pic above would be pointing towards the front of the vehicle.


Last edited by rckstein; 17 Jul 2016 at 09:35 pm.
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