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What is the code 128 on a Dodge Caravan?

The code 128 on a Dodge Caravan refers to a specific Diagnostic Trouble Code (DTC) that indicates a potential issue with the engine coolant temperature (ECT) sensor and/or thermostat. This code typically appears when the engine is not reaching its optimal operating temperature within a specified time frame.
The P0128 OBD II trouble code indicates that the engine coolant temperature has not reached its required operating temperature within a certain amount of time after starting the van. This code can appear as soon as you start your vehicle or while driving. It is important to address this issue immediately, as vehicles with this issue may have increased emissions and decreased fuel efficiency.
To diagnose and fix this issue, it is recommended to consult a qualified mechanic or use an OBD II scan tool to retrieve the specific trouble code and further troubleshoot the problem.

Is P0128 a thermostat or sensor?

What Are Some Causes of a P0128 Code? Error code P0128 indicates that your engine coolant temperature is below the thermostat regulating temperature. This means that your Engine Control Module (ECM) or Powertrain Control Module (PCM) has recognized that your engine is running cooler than it’s supposed to.

Is code P0128 serious?

Is it safe to drive with the P0128 code? The code will illuminate the check engine light, but you can still drive your car. It will not cause any hindrance or sudden shutting down of the vehicle. The only problem you’ll notice is the temperature gauge not reaching the optimal levels.

What happens if a engine runs at low temperature?

If it’s running COLD, and won’t warm up at all, it will wear a lot faster, and use a lot more fuel, and lose a good bit of power. Engines CAN run cold in cold weather, if the cooling system is not properly maintained.

Can I still drive my car with a P0128 code?

How Long Can You Drive with a P0128 Code? Although it may be possible to drive short distances with code P0128 set, you should get the issue fixed by a professional right away. Doing so will help ensure your vehicle keeps running at its best while also helping to prevent any additional damage.

What does error code P0128 mean on a Dodge Grand Caravan?

What is going on I’ve got a check engine light when I hook it up to the computer it says of the code reader I guess it’s a computer basically it’s telling me that the coolant isn’t reaching

How much does it cost to fix P0128?

Estimated Cost of Repair for the P0128 Code
Depending on the root cause of the issue, the costs of fixing the code P0128 will most likely range from $150-$250.

What causes a coolant temperature sensor to go bad?

Causes of Coolant Temperature Sensor Problems
The most common cause is a build-up of deposits on the sensor, which can interfere with its ability to accurately measure the coolant temperature. Another possibility is that the coolant level is too low, which can cause the sensor to overheat and fail.

How much does it cost to replace a thermostat in a Dodge Caravan?

between $419 and $439
The average cost for a Dodge Grand Caravan Thermostat Replacement is between $419 and $439.

How do I know if my Dodge Caravan thermostat is bad?

Here are four signs that it may need to be replaced.

  1. High Temperature. One of the first signs that your thermostat may need replacement is how high the temperature inside gets.
  2. Cold Engine.
  3. Temperature Gauge Issues.
  4. Coolant Level Issues.

How to fix coolant temperature below thermostat regulating temperature?

If the level is under the minimum requirement, add more coolant so the level comes up to the maximum level. Take the car for a short drive and see if the same P0128 fault code comes up. If topping off the coolant doesn’t help, the thermostat should be the next thing to replace.

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