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P0128: Coolant Thermostat Temperature Below …

Potential Fix 2: Replace Engine Coolant Temperature Sensor. The engine coolant temp sensor is a relatively easy part to replace because it simply …


P0128 after new sensor and thermostat | TDIClub Forums

Sep 20, 2018· About a month ago, I replaced my ALH''s coolant temperature sensor (nonOEM green one). Just this last week, I was able to delete the faults codes with a VCDS. Then, low and behold, the check engine light comes back on a the code thrown is: 16512 Coolant Thermostat Valve (N214) P0128 3510 Temperature below Control Range Intermittent.


Codes P0128 P040D | Chevy and GMC Duramax Diesel Forum

Jun 30, 2019· DTC P0128 occurring with insufficient vehicle interior heating is an indication of improper thermostat operation. Inspect the ECT sensor terminals and the ECT harness connector for corrosion. This condition results in a greater voltage on the ECT sensor signal circuit, which is interpreted by the ECM as a colder ECT.


Code P0128 Coolant Temperature Below Thermostat ...

Jul 31, 2021· The code P0128 Coolant Temperature Below Thermostat Regulating Temperature means that the engine does not reach expected temperature after running for sufficient time, or in other words, it takes too long to warm up. Often this code causes the Check Engine light to come on and off in cold temperatures. Symptoms: With the code P0128 there could be no symptoms at all, or any of the …


How To Fix Error Code P0128? – Programming Design

Dec 02, 2021· Code P0128 – Coolant Temperature Below Thermostat Regulating Temperature means that the engine does not reach expected temperature after running for a long time, or in other words, it does not warm up as quickly as it should.


Help on P0128 code Thermostat Fault | TDIClub Forums

Jan 26, 2021· About a month ago code P0128 was read on my check engine light. I replaced the thermostat ( not fun) and the Engine Coolant Temp Sensor. Still coding P0128 . I thought maybe the plug was bad on the Engine Coolant Sensor so I replaced that. Then I replaced the engine coolant reservoir figured it needed because of age.


Code P0128 Coolant Temperature Below Thermostat ...

Jul 31, 2021· The code P0128 Coolant Temperature Below Thermostat Regulating Temperature means that the engine does not reach expected temperature after running for sufficient time, or in other words, it takes too long to warm up. Often this code causes the Check Engine light to come on and off in cold temperatures. Symptoms: With the code P0128 there …


P0128 code, but coolant is full check engine light thermo...

May 11, 2016· I looked up the code and it means "Coolant Temperature Below Thermostat Regulating Temperature". This code showed up about a week ago. I cleared it, and the vehicle actually passed inspection right after. Later the same day, the Check Engine Light came on again, with the same P0128 code. My coolant level is just fine, so I apparently don''t have ...


Need sugjestions for P0128 Code! Already replaced ...

Apr 18, 2016· I''ve been getting this code for a while and finally replaced the thermostat and ECT coolant sensor two weeks ago and cleared the code. I replaced all gaskets required for the thermostat instal and used a premix 50/50 dex coolant but the code just appeared again last night. The coolant is not low according to the mark on the tank.


Code P0128, Location of the Coolant Sensor Needed

Mar 13, 2021· I got a code P0128, I replaced the thermostat and the problem exist. So I need to replace the Sensor. Part number 9LB26G004E. Also, I can clear the check engine light but I can''t clear the code. The code scanner tool said the code is permanent. I hope once I replace the sensor the code will go away. I was told that it is under the intake manifold.


CEL P0128 2000 Avalon Sensor/Sender/Thermostat | Toyota ...

Jan 13, 2020· The other sender/switch for the fans is located at the bottom corner of the radiator. Now I believe there is a sensor located somewhere in the thermostat housing but it must be hidden pretty well because I couldn''t find it. Rockauto has it listed as "Terminal 2" to differentiate it from the sensor located near the coolant cap.


Check OBD Engine Error Code P0128

Obd code P0128 Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature) The OBD P0128 code means that the engine coolant is not warming up enough and fast enough. To rephrase, there is a glitch with the engine functioning temperature that is not being reached within a specific time frame.


P0128 BMW Engine Coolant Temperature Below Thermostat ...

P0128 BMW 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 ...


Toyota P0128 Meaning, Causes, Symptoms, Fixes …

Oct 11, 2018· Toyota Code P0128 Definition. Coolant thermostat temperature below regulating temperature. Toyota Code P0128 Meaning. The powertrain control module (PCM) tracks how long it takes for the engine of your Toyota to reach and maintain the correct operating temperature. When the correct engine operating temperature is reached, the powertrain control module …


P0128 OBDII Trouble Code: Coolant Thermostat (Coolant ...

P0128 code definition. Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature) What the P0128 code means. The P0128 code means that the engine coolant is not getting warm enough, fast enough. In other words, there is a problem with the engine operating temperature not being reached within a certain amount of time.