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Locate coolant temperature sensor for 95 buick lasabre

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Where is the temperature coolant sensor located on my 1995 Buick Roadmaster?

1995 Buick Roadmaster 5.7L SFI OHV 8cyl

The Coolant Temperature Sensor is located: Under hood, center, upper engine area, passenger side of water outlet, mounted in intake manifold

Mar 28, 2016 | Buick Cars & Trucks

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I have a 2006 Buick Lucerne V6 code po128 comes up. What does it mean?

P0128 BUICK P0128 BUICK - Engine Coolant Temperature Below Thermostat Regulating Temperature Repair Importance Level: 3/3 Repair Difficulty Level: 2/3 help.jpg Share facebook.png twitter.png linkedin.png google-plus.png sep.png print.png pdf.png share.jpg 3 comments.png ' Add Comment xicon.jpg Forum Code Possible causes - Leaking or stuck open thermostat
- Low engine coolant level
- Insufficient warm up time
- Faulty engine coolant temperature sensor
- Engine coolant temperature sensor harness is open or shorted
- Engine coolant temperature sensor circuit poor electrical connection
help.jpg What does this mean? Tech notes If cooling system is not leaking and the fluid level is OK, replacing the thermostat usually takes care of the problem.
help.jpg What does this mean? When is the code detected? If the Powertrain Control Module (PCM) detects the calibrated amount of air flow and engine run time have been met, and the Engine Coolant Temperature (ECT) has not met the minimum thermostat regulating temperature, the code P0128 will set. Possible symptoms - Engine Light ON (or Service Engine Soon Warning Light) P0128 Buick Description An Engine Coolant Temperature (ECT) sensor monitors the temperature of the coolant. This input is used by the Powertrain Control Module (PCM) for engine control and as an enabling criteria for some diagnosis. The air flow coming into the engine is accumulated and used to determine if the vehicle has been driven within the conditions that would allow the engine coolant to heat up normally to the thermostat regulating temperature. If the coolant temperature does not increase normally or does not reach the regulating temperature of the thermostat, the diagnostic that use ECT as enabling criteria may not run when expected.

Read more:

Regarding which thermostat to use, I am guessing it depends on where you live.

Ask these people when you order the thermostat.

Dec 30, 2015 | 2006 Buick Lucerne

1 Answer

Car is leaking antifreeze and started sqeaking really loud when i started it up this morning and didnt stop. it got -8 last night just trying to catch it before bigger problems happen.

Where is it leaking antifreeze? Was it from a hose? Start car. Run to temperature. Check to see if there is smoke (steam) coming from under the hood. This would be coolant spraying out due to pressure. Shut down car and cool off. Replace hose, fill with coolant, and bleed system.

The coolant might be hitting a pulley or the pulley is now worn out. Remove the serpentine belt and start car. See if the squeek is still there.

Dec 09, 2013 | Buick Cars & Trucks

1 Answer

Where is the tempurture cooling sensor located on a 1994 buick regal

The coolant temperature sensor is a thermistor mounted in the engine coolant stream. A thermistor is an electrical device that varies its resistance in relation to changes in temperature.

For 2.5L engines, the coolant temperature sensor is located on the left side of the cylinder head.

For MFI engines, the coolant temperature sensor is located on the intake manifold water jacket or near (or on) the thermostat housing.


Fig. 1: Engine Coolant Temperature (ECT) sensor and connector


Fig.: Engine Coolant Temperature (ECT) sensor location-3.1L (VIN T) engine shown

Hope this helps (remember to rating this and leave an testimonial comment about this free answer).

Oct 10, 2011 | 1994 Buick Regal Gran Sport

1 Answer

My mom has a 1995 Buick Lasabre. It has been dying lately when running for awhile. Wait about an hour and it is fine. My brother has changed the oil and etc. and some parts (ignition and etc.) and it still...

You may have a coolant temperature sensor that has gone way out of tolerance. The CTS is a cheap sensor, but arguably one of the most important sensors on the vehicle. It should run you around $10-$15 and only takes a few minutes to change. You'll see it located on the thermostat housing. Keep in mind that you'll have 2 of them. One for the dash gauge and the other for the computer. You want the computer one. (Lots of parts guys get that one wrong! :)

I hope this helps! :)

Dec 15, 2010 | 1995 Buick LeSabre

2 Answers

Where is the oil sending sensor on a 95 buick lasabre oil pressure gauge keeps showing low pressure

typically on the back side of the engine in an impossible to reach spot. you will likely have to take this car in to get serviced.

Sep 17, 2009 | 1995 Buick LeSabre

5 Answers

Low collant light is on and has no leak and is full

This problem is common, if the coolant level is OK, check the "coolant sensor" and clean the plug.

Aug 28, 2009 | 1995 Buick Park Avenue

3 Answers

95 buick lasabre horn problem

Ever find out what to do with this? I'm running into the same problem and see multiple refrences to it, but not much for follow up on what fixed it. I pulled the fuse for mine, but it kills the trunk release and automatic I'm not a big fan of that.

Apr 08, 2009 | 1995 Buick LeSabre

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