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Jeep Wrangler

How to reset p0128 code jeep wrangler?

Additionally, how do you reset the engine code on a Jeep Wrangler?

  1. Make sure the engine is not running and key is out of the ignition.
  2. Disconnect the battery terminals.
  3. Wait 5 minutes.
  4. Reconnect battery terminals.
  5. Insert and turn the ignition key to the run position without starting.
  6. All error codes are cleared and CHECK ENGINE icon disappeared.

Moreover, what does the code P0128 mean on Jeep Wrangler? The most common cause for P0128 in a Jeep is the engine coolant thermostat is stuck open. … When the thermostat does open, hot coolant should start to flow and quickly warm up the radiator hose. If the radiator hose heats up slowly, the thermostat is stuck open or opening prematurely and needs to be replaced.

Best answer for this question, can low coolant cause P0128 code? Low engine coolant can alter the engine running temperature enough to signal trouble code P0128. Your intake air temperature sensor, coolant temperature sensor and coolant fan could also signal this trouble code, so these should be inspected after you look over your thermostat and coolant level.

Subsequently, is it safe to drive with P0128 code? Can I drive my vehicle with a P0128 trouble code and illuminated CEL? You may drive your vehicle with a P0128 trouble code. You will not notice any issue except for maybe the temperature gauge never reaching normal levels, and possibly the Check Engine light being illuminated.

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How much does it cost to fix P0128?

For example, if the faulty component triggering a P0128 code is related to a bad coolant temperature sensor, repair costs ranged from $140.00 to $190. Although hand, if the problem is coming from a bad thermostat and requires replacements, expect to pay somewhere between $220 and $250.

How do I reset my Jeep computer?

  1. Step 1 – Remove the positive (red) battery cable.
  2. Step 2 – Ground the red cable to the negative terminal.
  3. Step 3 – Reconnect the positive battery cable.
  4. Step 4 – Turn on your Jeep.
  5. Step 5 – Cycle the headlights.
  6. Step 6 – Turn the key off and remove.

How many miles does it take to reset a jeep computer?

For good measure. Anytime that you reset your Jeep PCM you should keep in mind that you will need to drive your car for approximately 10-15 miles so your Jeep ECM can re-learn your driving habits and fuel management.

How do I reset my Jeep Wrangler radio?

  1. Turn ignition to ON.
  2. Switch radio on.
  3. Wait 10 seconds and turn the radio off.
  4. Press and hold the power button until the radio resets.

What does error code P0128 mean?

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. The Engine Control Module (ECM) determines this length of time based on ambient temperature.

How much is a thermostat for a Jeep?

Jeep Wrangler Thermostat Replacement Cost Estimate. Labor costs are estimated between $68 and $86 while parts are priced at $57.

What is a coolant temp sensor?

A coolant temperature sensor (CTS) (also known as an ECT sensor or ECTS (engine coolant temperature sensor) is used to measure the temperature of the coolant/antifreeze mix in the cooling system, giving an indication of how much heat the engine is giving off.

Is it bad to drive with thermostat stuck open?

If you are driving your vehicle and the thermostat is stuck in the open position, it’s definitely going to cause some problems for you. When your thermostat is unable to properly close when it needs to, the flow of coolant will be unrestricted throughout your engine.

Will low coolant throw a code?

The code could be triggered by anything from a low coolant level to a faulty thermostat that you may need to replace, so you must do your homework.

Will engine light come on if coolant is low?

Low coolant in the radiator of your car can trigger the malfunction illumination light (MIL), also known as the “check engine” light. Low coolant can affect the internal temperature of the engine, which is protected by the antifreeze.

See also:   How to remove ignition switch on a 1997 jeep wrangler?
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