LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Coolant Temp Sensor

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Old Feb 23, 2004 | 03:58 PM
  #1  
1FstFormulaV8's Avatar
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From: Portsmouth, Ohio
Coolant Temp Sensor

I have a couple of questions.
1.) What are the symptoms of a CTS going out?
2.) If I d/c the CTS from the water pump will the computer go into limp mode?
3.) What will the car do when it's cold/warm?
Old Feb 23, 2004 | 04:03 PM
  #2  
96ZRDR's Avatar
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From: McAllen Tx. USA
1.) Sputters, low on power, hesitation, both fans turn on..., runs rich.

2.) Yes

3.) Cuts timing I believe, runs rich
Old Feb 23, 2004 | 06:01 PM
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From: Dingess WV USA
It can cause it to be hard to start. When it does start it will flood bad and idle iraddical.

I don't know about sputtering, maybe someone else will know about this!

have a goodone Lee!
Old Feb 23, 2004 | 06:33 PM
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SplitFire's Avatar
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From: Orlando, UCF, FL
Are you talking about the sensor that is located on the neck of the radiator? Mine's needed replaced for a while since the low coolant light stays on constantly even though there is plenty of coolant. I didn't know that you needed to replace it though. I've just been ignoring the light. So, is this what would be causing my car to occasionally have trouble starting?
Old Feb 23, 2004 | 06:55 PM
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From: Waco, TX
That sensor causes no problems for starting or anything. This sensor is a common problem on our cars. Just remove the battery from your car and pull the sensor from the black box below the radiator cap and try cleaning it first. If that does not work, you can replace it (it's cheap) or just leave it d/c. It won't hurt anything.
Old Feb 23, 2004 | 07:03 PM
  #6  
1FstFormulaV8's Avatar
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2.) If I d/c the CTS from the water pump will the computer go into limp mode?

!!!!!!!!!

The waterpump...waterpump.
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