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Old 06-04-2009, 03:55 PM   #1
sleepersatty99
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Default Engine coolant temp sensor?

What would be a good way to tell if your engine coolant temp sensor is going bad or is bad?

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Old 06-04-2009, 06:06 PM   #2
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Default Re: Engine coolant temp sensor?

Really??

Use the search button for the 34253425342543252 posts on the ECTS.

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Old 06-04-2009, 06:09 PM   #3
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Default Re: Engine coolant temp sensor?

Quote:
Originally Posted by rc1488 View Post
Really??

Use the search button for the 34253425342543252 posts on the ECTS.
Well now its 34253425342543252 + 1.

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Old 06-04-2009, 06:11 PM   #4
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Default Re: Engine coolant temp sensor?

Nope i included your post in my original number

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Old 06-04-2009, 06:19 PM   #5
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Default Re: Engine coolant temp sensor?

lol. well thanks for some reason i didnt think to use the search button.

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Old 06-05-2009, 07:51 AM   #6
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Default Re: Engine coolant temp sensor?

Quote:
What would be a good way to tell if your engine coolant temp sensor is going bad or is bad?
1. Physical examination.
2. On a '99, erratic or unexpected behavior of the temp gauge.

In general,if it is the original type, replace it because it will fail, it is just a matter of time.

You can spot the original type from the exterior profile, There are pictures in some threads the show the difference.

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Old 06-06-2009, 12:26 AM   #7
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Wrench Re: Engine coolant temp sensor?

Original ECTS= Amber colored plastic for the entire sensor including the body and the connector. Original = bad, period.

Newer style ECTS= Brass body (look at the wrench flats). Newer = maybe good. Look for greenish corrosion or goo in the sensor's connector and in the wiring harness connector. If found in either place, replace both pieces. Do not bother trying to clean either one of their connectors.

If replacing them-

New sensor- $12-$15 at Autozone or equivalent. Get a Niehoff brand if possible or get it from Saturn (more $$$).

New connector- Clip off an IAT conenctor and wires from a junked car (same connector style) or buy one from Saturn ($35), or use a 2 pin connector from an old computer case that was used for a front panel LED. The ECTS connections are 0.025" square pins (two of them) on 0.100" centers. If you use the computer connector, wrap some electrical tape around it and the ECTS to keep moisture out.

Hope I helped.

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Old 06-06-2009, 07:24 PM   #8
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Default Re: Engine coolant temp sensor?

Quote:
Originally Posted by DIYguy View Post
Original ECTS= Amber colored plastic for the entire sensor including the body and the connector. Original = bad, period.

Newer style ECTS= Brass body (look at the wrench flats). Newer = maybe good. Look for greenish corrosion or goo in the sensor's connector and in the wiring harness connector. If found in either place, replace both pieces. Do not bother trying to clean either one of their connectors.

If replacing them-

New sensor- $12-$15 at Autozone or equivalent. Get a Niehoff brand if possible or get it from Saturn (more $$$).

New connector- Clip off an IAT conenctor and wires from a junked car (same connector style) or buy one from Saturn ($35), or use a 2 pin connector from an old computer case that was used for a front panel LED. The ECTS connections are 0.025" square pins (two of them) on 0.100" centers. If you use the computer connector, wrap some electrical tape around it and the ECTS to keep moisture out.

Hope I helped.
does the ects look like the IAT? yeah im going to replace it.

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Old 06-06-2009, 08:06 PM   #9
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Default Re: Engine coolant temp sensor?

Quote:
Originally Posted by sleepersatty99 View Post
does the ects look like the IAT?
It's the same part. It doesn't fail in its commission as an IAT sensor because it's not bathed in hot coolant.

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