The warm-up time is not enough. There are two main causes for P0128: The most common cause is an engine coolant thermostat that has stuck open or is opening prematurely. When a trouble code P0128 exists by itself, usually a shop technician will suspect a fault engine coolant temperature sensor or stuck open thermostat. What does this mean? The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. If other codes are present, they must be addressed first. If there is excessive rust and poor coolant condition this can clog up the cooling system or cause the thermostat to stick. This cools the engine excessively at times and causes the p0128 code. Diagnose code P0128 Thermostat Rationality. BAT Team Discussions for P0128. Thermostat defective 3. As a result, the ECT sensor can be compromised. Step 1. For example, the cooling fans can malfunction causing them to stay on when they're not supposed to be. The system is under pressure. If there is excessive rust and poor coolant condition this can clog up the cooling system or cause the thermostat to stick. If there is excessive rust and poor coolant condition this can clog up the cooling system or cause the thermostat to stick. Causes. Visually inspect the related wiring harness and connectors. Possible Solutions. Don’t worry we are here to explain how long can you drive with a P0128 code. Here are the most common causes of P0128: Thermostat Stuck Open– Far and away, the most typical cause for the P0128 code is going to be a thermostat that is stuck open. When diagnosing for this code, make sure you verify both the electric and mechanical cooling fans are not stuck at “On” position, as this will cause the engine to run at very low operating temperature. There is a low level of engine coolant. 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 How is the P0128 code repair? 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 . If other codes are present, they must be addressed first. If the thermostat is allowing full coolant flow through the radiator and the coolant temperature is still rising, the fan is activated to increase the temperature drop of the coolant across the radiator. Low coolant will not provide enough temperature protection to sufficiently control the internal heat. Possible causes of OBD code P0128 Mercedes A code P0128 Mercedes may mean that one or more of the following has happened: Low engine coolant level Leaking or stuck open thermostat Faulty cooling fan (running too much) Faulty coolant temperature (ECT) sensor Faulty intake air temperature (IAT) sensor . P0128 Indicates that the thermostat monitor has not achieved the required engine operating temperature within a specified amount of time after starting the engine. Check coolant level and condition. Sometimes cars have weird electrical problems. If there is excessive rust and poor coolant condition this can clog up the cooling system or cause the thermostat to stick. Most auto repairs shops charge between $75 and $150 per hour. Warning : Never open the cooling system when the engine is hot. Start by checking the "Possible Causes" listed above. Possible Solutions. Here are the most common causes of P0128: Thermostat Stuck Open– Far and away, the most typical cause for the P0128 code is going to be a thermostat that is stuck open. P0128 Causes: Jeep Compass. Here are the most common causes of P0128: Thermostat Stuck Open– Far and away, the most typical cause for the P0128 code is going to be a thermostat that is stuck open. Check coolant level 2. Scan your Chevrolet to verify P0128 is the only code present. Causes. Causes. A stuck open or prematurely opening coolant thermostat. The engine control module uses the Engine Coolant Temperature (ECT) sensor to determine whether or not to trigger a OBD-II P0128. What causes the P0128 code? Fixing P0128 is usually a pretty easy thing to do, since 90% of the time it’s going to be the thermostat that is throwing the code. Step 2: Electrical Problems: Is The Fan Stuck On? P0128 Mercury Engine Coolant Temperature Below Thermostat Regulating Temperature. Start by checking the "Possible Causes" listed above. Symptoms of coolant temperatures being too low will first be the check engine light. a. Scan your Honda to verify P0128 is the only code present. If other codes are present, they must be addressed first. If other codes are present, they must be addressed first. Probable cause: 1. Causes. Possible Solutions. P0115: This code indicates an issue with the engine coolant temperature circuit ; P0116: This code means an issue with the engine coolant temperature circuit range; P0117: This code means that there is a low input in the engine coolant temperature circuit; P0118: however, this code means … Possible Solutions. It is a Coolant Temperature below Thermostat Regulating Temperature meaning that the engine is basically cold. The P0128 is a less common problem in vehicles. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. P0128 is telling your fix sensor that your car’s coolant thermostat is operating below the regulating temperature. P0128 Causes: Dodge Caravan. Possible causes: Low coolant level. Cooling system issues. P0128 Mercedes-Benz Engine Coolant Temperature Below Thermostat Regulating Temperature. A code P0128 may mean that one or more of the following has happened: Low engine coolant level; Leaking or stuck open thermostat (likely) Faulty cooling fan (running too much) Faulty coolant temperature (ECT) sensor; Faulty intake air temperature (IAT) sensor; Possible Solutions. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light is on diagnostic inspection. If you sense or feel this may be the cause of the p0128 code on your car, then the way to diagnose this is to locate the radiator hose then you have to touch it to observe the temperature of the coolant to see how hot it is when the coolant begins to flow through the radiator hose. Symptoms Possible causes - Insufficient warm up time - Low engine coolant level - Leaking or stuck open thermostat - … Fixing P0128 is usually a pretty easy thing to do, since 90% of the time it’s going to be the thermostat that is throwing the code. P0128 Diagnostic Code Theory for Shops and Technicians When the P0128code is set in the Powertrain Computer, the engine is either taking too much time to warm up to the proper operating temperature—more than fifteen minutes, as measured by the Coolant Temperature Sensor—or the operating temperature is going below the 160–170º F range during vehicle operation. Fixing P0128 is usually a pretty easy thing to do, since 90% of the time it’s going to be the thermostat that is throwing the code. Causes. Possible causes of OBD code P0128 Saab A code P0128 Saab may mean that one or more of the following has happened: Low engine coolant level Leaking or stuck open thermostat Faulty cooling fan (running too much) Faulty coolant temperature (ECT) sensor Faulty intake air temperature (IAT) sensor . Cost of diagnosing the P0128 2010 FORD FUSION code. Possible causes of OBD code P0128 Land Rover A code P0128 Land Rover may mean that one or more of the following has happened: Low engine coolant level Leaking or stuck open thermostat Faulty cooling fan (running too much) Faulty coolant temperature (ECT) sensor Faulty intake air temperature (IAT) sensor . Most auto repairs shops charge between $75 and $150 per hour. Possible causes of OBD code P0128 Cadillac A code P0128 Cadillac may mean that one or more of the following has happened: Low engine coolant level Leaking or stuck open thermostat Faulty cooling fan (running too much) Faulty coolant temperature (ECT) sensor Faulty intake air temperature (IAT) sensor . Thermostat Operation. The Coolant Temperature Sensor (ECT) may be defective. The ECT (Engine Coolant Temperature) cable system can be short. Scan your Chrysler to verify P0128 is the only code present. Here are the most common causes of P0128: Thermostat Stuck Open– Far and away, the most typical cause for the P0128 code is going to be a thermostat that is stuck open. P0128 Causes: Mercury Grand Marquis. P0128 Causes: Mazda Miata. If any ECT or AAT DTC are present, diagnose and repair those DTC before continuing with this test procedure. Check coolant level and condition. Check coolant level and condition. Causes of DTC code P0128 Generic A code P0128 can be caused by one or more of the following problems: The thermostat may be stuck leaky. P0128 Symptoms. The auto repair labor rates vary widely across the country, and even within the same city. Fixing P0128 is usually a pretty easy thing to do, since 90% of the time it’s going to be the thermostat that is throwing the code. Cost of diagnosing the P0128 BMW code Labor: 1.0 The cost of diagnosing the P0128 BMW code is 1.0 hour of labor. Low coolant level. Check coolant level and condition. P0128 Possible Causes. Hard To Start troubleshooting P0128 Definition: Coolant temp is always low Explanation: The powertrain control module verifies that the engine is at proper operating temp. 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 How is the P0128 2003 INFINITI G35 code repair? Possible causes of OBD code P0128 Mini A code P0128 Mini may mean that one or more of the following has happened: Low engine coolant level Leaking or stuck open thermostat Faulty cooling fan (running too much) Faulty coolant temperature (ECT) sensor Faulty intake air temperature (IAT) sensor . Note: Please be sure the engine is turned off and cool when doing work on the cooling system. Here are the most common causes of P0128: Thermostat Stuck Open– Far and away, the most typical cause for the P0128 code is going to be a thermostat that is stuck open. How do I fix code P0128 AUDI? Scan your Nissan to verify P0128 is the only code present. P0128 Causes: Dodge Ram. Possible Solutions. Low engine coolant can cause all sorts of problems in the cooling system. Also, make sure you verify the readings of your Intake Air Temperature sensor are right, not too hot or too cold in relation to both air temperature and under-hood air temperature. Labor: 1.0 The cost of diagnosing the P0128 2010 FORD FUSION code is 1.0 hour of labor. Before getting into in-depth knowledge about the P0128 Code, first of all, know what does a P0128 means and how it works in your car. Initialized in OBD (on-board diagnostic) and OBD II (vehicles manufactured from 1996 and beyond), the sensor is immersed in the coolant system in order to monitor the coolant protection level. This causes the Fuel System to go back into a warmup mode, which is a … Causes. Fixing P0128 is usually a pretty easy thing to do, since 90% of the time it’s going to be the thermostat that is throwing the code. Check the "Possible Causes" listed above. 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