What causes code p0128 on a Chevy Trailblazer?

What causes code p0128 on a Chevy Trailblazer?

Common problems causing the code P0128 in different cars: In many GM cars and trucks (Chevrolet Trailblazer, Silverado, HHR and other models) the code P0128 is often caused by a sticking thermostat. In some GM cars when the code P0128 is set, the temperature gauge stops working and the radiator fans run constantly.

What does p0128 mean on a GM thermostat?

In some GM cars when the code P0128 is set, the temperature gauge stops working and the radiator fans run constantly. Replacing the thermostat often solves the problem unless there are some other issues.

What’s the coolant code for a Dodge Magnum?

Another Chrysler TSB for 2009-2010 Dodge Challenger and 2008-2010 Dodge Magnum/Charger and Chrysler 300 describes a problem where the thermostat may move out of place allowing coolant to pass through and set the code P0128. The solution is to add a shim and replace the thermostat housing with an updated part.

Common problems causing the code P0128 in different cars: In many GM cars and trucks (Chevrolet Trailblazer, Silverado, HHR and other models) the code P0128 is often caused by a sticking thermostat. In some GM cars when the code P0128 is set, the temperature gauge stops working and the radiator fans run constantly.

When does the PCM record code p0128?

The PCM will record if either of these two criteria is not met. If either fault is recorded again on the next engine startup, code P0128 is triggered. What Are The Symptoms Of P0128? What Is The Cause Of Code P0128? How Serious Is Code P0128? – Low

What does the code p0128 mean on an OBDII?

The OBDII trouble 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, takes too long to warm up. Often this code causes the Check Engine light to come on and off in cold temperatures.

What causes a p1128 trouble code on a Dodge?

Getting a P1128 trouble code on a Chrysler or Dodge product may lead you to believe you’ve go a bad thermostat or engine coolant temperature sensor because P1128 is: P1128 Closed loop fueling not achieved Bank 1 The symptoms appear as hesitation, stalling, misfire.

What does it mean when your engine says p0128?

This means that the engine’s powertrain control module (PCM) has detected that the engine has not reached the required temperature level within a specified amount of time after starting the engine. Often, the intent of the P0128 code is to indicate a faulty thermostat (likely stuck in the open condition). Similar codes: P0125.

The PCM will record if either of these two criteria is not met. If either fault is recorded again on the next engine startup, code P0128 is triggered. What Are The Symptoms Of P0128? What Is The Cause Of Code P0128? How Serious Is Code P0128? – Low

Getting a P1128 trouble code on a Chrysler or Dodge product may lead you to believe you’ve go a bad thermostat or engine coolant temperature sensor because P1128 is: P1128 Closed loop fueling not achieved Bank 1 The symptoms appear as hesitation, stalling, misfire.

What should I do if my p0128 thermostat is not working?

Past experience indicates that the most likely solution for a P0128 is to replace the thermostat. However here are some suggestions on troubleshooting and repairing a P0128 OBD-II code: Verify proper cooling fan operation (check if it’s running more than it should). Replace if necessary.