P0128 ISUZU – Engine Coolant Temperature Below Thermostat Regulating Temperature

 

P0128: DIY Repairing Video Tutorial

https://youtu.be/AfDXh4cko84

Check out nonda Auto DIY Center for more engine error code repairing videos.
https://www.youtube.com/playlist?list=PL-Lyko0O0oxHe1AGvzwAz-wokJPXAtW97

 

P0128 ISUZU Possible Symptoms

  Engine Light ON (or Service Engine Soon Warning Light)  

P0128 ISUZU 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  

P0128 ISUZU Description

  Indicates that the thermostat monitor has not achieved the required engine operating temperature within a specified amount of time after starting the engine.