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Where is my coolant temp sensor? Missing?

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Where is my coolant temp sensor? Missing?

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Old

Apr 28, 2017 | 11:18 AM

#1

Thread Starter

Junior Member

Joined: Apr 2017

Posts: 27

Likes: 2

From: Seekonk, MA

Car: 91 Camaro Z28

Engine: 5.7L TPI V8

Transmission: 700R4

Where is my coolant temp sensor? Missing?

Hi Everyone,

I have a 91 z28 with the 350 TPI motor and for the life of me can't find this sensor for the ECM. Everyone says its next to the thermostat and is connected by two wires, Yellow and black. I hope someone can help me find it in the photo below.

This is what i'm working with.. Could it be the one that has no connector on it? This would explain a lot.

Old

Apr 28, 2017 | 02:06 PM

#2

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Joined: Jul 1999

Posts: 20,309

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From: Salina, KS

Re: Where is my coolant temp sensor? Missing?

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The one next to it with nothing plugged in is a cold start injector switch, which a 91 wouldn't have. Just fyi that something has been changed there.

Old

Apr 28, 2017 | 07:39 PM

#3

Thread Starter

Junior Member

Joined: Apr 2017

Posts: 27

Likes: 2

From: Seekonk, MA

Car: 91 Camaro Z28

Engine: 5.7L TPI V8

Transmission: 700R4

Re: Where is my coolant temp sensor? Missing?

Ah ha! Thank you!

And yeah, a lot has been changed wiring wise lol My mission is to put it back to stock.

Last edited by SteamyShower; Apr 28, 2017 at 07:55 PM.

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