Is there a ECT sensor on a 2006 Trailblazer?

Jefe38c
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Is there a ECT sensor on a 2006 Trailblazer?

Unread post by Jefe38c » Sun Jan 20, 2013 10:59 pm

Is there a ECT sensor on the 2006 Chevy trailblazer with the Vortec I6. If yes please tell me where it is at.
Thanx

 

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TerryAuto
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Re: Is there a ECT sensor on a 2006 Trailblazer?

Unread post by TerryAuto » Mon Jan 21, 2013 3:50 pm

Yes, the Trailblazer 4.2L engine does have an Engine Coolant Temperature sensor.

It is located on the passenger side of the engine, next to the last exhaust port near the firewall. It is a two wire sensor.

These actually almost never go bad. What is the reason you want to replace it? Do you have an engine code P0128?
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Jefe38c
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Re: Is there a ECT sensor on a 2006 Trailblazer?

Unread post by Jefe38c » Mon Jan 21, 2013 6:36 pm

Yes, the car thru P0128, I was told the ECT sensor was next to the Thermostat but when I opened up the car I couldn't find it. So I just swapped the therm. and closed it up, this seems to have fixed the problem. I'am glad you replied, if that didn't fix it my next thought was to try the top of the intake manifold, a few people had told me sometimes they were there but now I know. Thanks.

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TerryAuto
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Re: Is there a ECT sensor on a 2006 Trailblazer?

Unread post by TerryAuto » Mon Jan 21, 2013 9:54 pm

Yes, replacing the thermostat on your Trailblazer will fix the P0128. Always does.
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bassinjim
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Re: Is there a ECT sensor on a 2006 Trailblazer?

Unread post by bassinjim » Mon Sep 09, 2013 4:51 pm

Message for terryauto, I see the ect sensor, Do I need to remove the exhaust shield to remove the sensor?

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TerryAuto
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Re: Is there a ECT sensor on a 2006 Trailblazer?

Unread post by TerryAuto » Mon Sep 09, 2013 10:29 pm

Yes, removal of the shield to get to the temperature sensor makes it a lot easier to replace it.

Greg

Re: Is there a ECT sensor on a 2006 Trailblazer?

Unread post by Greg » Fri May 13, 2016 2:03 pm

I've changed out the thermostat in my 2006 trailblazer, but still getting the codes and a check engine light. The car runs great, but I can't get it inspected with the light on. Should I change out the sensor?

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carriedi
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Re: Is there a ECT sensor on a 2006 Trailblazer?

Unread post by carriedi » Sun May 15, 2016 2:43 pm

what code are you getting?
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Dee

Re: Is there a ECT sensor on a 2006 Trailblazer?

Unread post by Dee » Thu Oct 20, 2016 12:53 pm

carriedi wrote:
> what code are you getting?
P0172 p1400 p0171

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