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Part number of Thermostat (water temperature regulator) for C6.6 Acert,

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SOURCE: 2002 Blazer. Code 0128 Coolant Thermostat. Coolant Temperature

sound like """"sounds'''like thermostat issue! u might think about starting at that point!hope this helps. John

Posted on Dec 22, 2009

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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 http://www.autocodes.com/p0128_buick.html 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: http://www.autocodes.com/p0128_buick.html#ixzz3vprh5jzz

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

Ask these people when you order the thermostat.

http://www.autopartswarehouse.com/shop_years/buick-lucerne-thermostat-2006.html

Dec 30, 2015 | 2006 Buick Lucerne

1 Answer

Codepo128onbuicklasa re2002


code p 0128 refers to coolant thermostat --coolant temp below thermostat regulating temperature ===causes--- mechanical fault
remove and test the thermostat --replace if necessary
It may be stuck open and not regulating coolant flow there by not allowing the engine to come to operating temperature

Dec 09, 2015 | Cars & Trucks

4 Answers

Po128 is the code. What's the problem


Well, I can't give you any specific information regarding your vehicle because you forgot to mention what kind of vehicle you have. (This is kinda important if you really want some help figuring out what is wrong with your car)

The "Generic OBD" of code P0128 is "Coolant Temperature Below Thermostat Regulating Temperature"

The most likely cause is a stuck-open thermostat, however, I have also seen defective Engine Coolant Temperature (ECT) sensors also cause this code.

Jun 13, 2011 | Chevrolet TrailBlazer Cars & Trucks

3 Answers

Where is the thermostat located in a 2001 toyota sienna?


Welcome to FIxYa.com



THERMOSTAT REMOVAL

HINT: Removal of the thermostat would have an adverse

effect causing a lowering of cooling efficiency. Do not remove

the thermostat, even if the engine tends to overheat.

1. DRAIN ENGINE COOLANT

2. REMOVE AIR CLEANER CAP WITH AIR CLEANER

HOSE

3. DISCONNECT ECT SW1TCH CONNECTORS

4. DISCONNECT ENGINE VIRE PROTECTOR FROM

WATER INLET AND RH CYLINDER HEAD

Remove the 2 nuts, and disconnect the engine wire

protector from the water inlet and cylinder head.

5. DISCONNECT WATER INLET PIPE FROM WATER

INLET AND LH CYLINDER HEAD

a) Remove the bolt and disconnect the inlet pipe from the

water inlet.

b) Remove the O-ring from the inlet pip e.

6. REMOVE WATER INLET AND THERMOSTAT

a) Remove the 3 nuts, water inlet and thermostat.

b) Remove the gasket from the thermostat.

INSPECTION

INSPECT THERMOSTAT

HINT: The thermostat is numbered with the valve opening

temperature.

a) immerse the thermostat in water and gradually heat the

water.

b) Check the valve opening temperature.

Valve opening temperature: 80 - 84CC (176- 183 deg f)

If the valve opening temperature is not as specified,

replace the thermostat.

c) Check the valve lift.

Valve lift: 10.0 mm (0.394 inch) or more at 95CC (203 deg f)

If the valve lift is not as specified, replace the

thermostatleedavidian_93.jpgleedavidian_92.jpg.

d) Check that the valve is fully closed when the

thermostat is at low temperatures (below 40CC (104CF)).

if not dosed, replace the thermostat.

INSTALLATION

1. PLACE THERMOSTAT IN WATER PUMP

a) Install a new gasket on to the thermostat.

b) Align the thermostat jiggle valve with the upper stud

bolt and insert the thermostat in the water inlet

housing.

HINT: The jiggle valve maybe set within 15 deg of either

side of the prescribed position.

2. INSTALL WATER INLET

Install the water inlet with the 3 nuts.

Torque: 8.0 Nm (80 kgf-cm, 69 inch lbs.)

3. INSTALL WATER INLET PIPE

a) Install a new O-ring to the water inlet pipe.

leedavidian_91.jpgleedavidian_90.jpgleedavidian_89.jpgleedavidian_88.jpgleedavidian_87.jpgleedavidian_86.jpg


Thank you for using FixYa.com

Regards, Lee Davidian

Dec 06, 2010 | 2001 Toyota Sienna

3 Answers

Can driving my buick without the thermostat hurt


Yes it can. The car will not get up to operating temperature as fast. It's never good to modify a car from its original factory specifications.

Jul 31, 2010 | 1992 Buick Century

3 Answers

The car keeps overheating and the coolant and water level are fine. i dont know what else it could be


Thermostat could be stuck closed - put your hand on the hoses (after the engine has been running a bit) and check if one is cold. If one is cool to the touch - the water pump has failed - or the thermostat is failed (stuck) shut (supposed to fail open).

Radiator fans inoperable - check the fuse and relay.

Head gasket failure - would need to be checked via piston pressure check.

Thanks for using FixYa - a 4 THUMBS rating is appreciated for answering your FERE question.

Apr 03, 2010 | 2004 Chevrolet Impala

3 Answers

What can keep causing Check engine code P0128


CODE P0128- THERMOSTAT MALFUNCTION. POSSIBLE CAUSES 1. ECT SENSOR IS OUT OF CALIBRATION. 2. CHECK THE OPERATION OF THE THERMOSTAT IT MAY BE STUCK OPEN.3.INSPECT FOR LOW COOLANT LEVEL OR FOR AN INCORRECT COOLANT MIXTURE.

Jan 06, 2010 | 2004 Kia Spectra

1 Answer

2002 Blazer. Code 0128 Coolant Thermostat. Coolant Temperature


sound like """"sounds'''like thermostat issue! u might think about starting at that point!hope this helps. John

Dec 22, 2009 | 2002 Chevrolet Blazer

2 Answers

Check engine light on, diagnostic code 0128 and 0410 keep coming up


P0128 - Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)

P0410 - Secondary Air Injection System Malfunction
(has to do with exhaust system)

Note: There is a technical service bulletin (TSB) regarding code P0410 for a number of GM models. The TSB calls for the replacement of the AIR pump and the installation of a new secondary injection hose.

Oct 13, 2009 | 2005 Chevrolet TrailBlazer

1 Answer

Car overheating


Most cars have a thermostat on the return to the engine block. It is designed to open and close at a certain temperature range. This is what helps to regulate the water temperature circulating through your engine. These thermostat valves get old, corrosion can build on them, or the coil that's responsible for opening it at the designed temperature quits opening all the way or all together.

Things to check for in your particular vehicle type:

1) Coolant Temperature Sensor
2) Radiator (Make sure have the right mixture of water to coolant ratio)
3) Engine fan (cools water in the radiator)
4) Thermostat (opens and closes allowing water to circulate through engine)
5) Of course, the water pump which you said tested fine.

I can be of more assistance if necessary.

Apr 23, 2009 | 2000 Hyundai Accent

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