Easy tips

How do I fix po128?

How do I fix po128?

What repairs can fix the P0128 code?

  1. Replacing the thermostat (most common repair)
  2. Replacing the coolant temperature sensor, or the wiring and connector associated with the sensor being damaged.

Where is the low coolant light on my truck?

Low coolant light. My truck is a ’93 6.5 C2500 and the low coolant sensor is in the passenger side radiator tank. About a foot down from the top. Also, if I’m remembering this correctly, the circuit board fed by the sensor and that controls the low coolant light is behind the ashtray. You’ll have to pull out the ashtray assy.

Is the coolant level at the radiator good?

Coolant level has been checked at the radiator and the level is fine. No coolant leaks seen. Radiator was just flushed and new water pump installed. The temp gauge works as it should – nothing out of the ordinary there. I’m thinking it’s a bad sensor.

What should I do if my car dashboard light is not working?

How to solve it: Start by checking all the fluids in the engine bay. Check the oil level, transmission fluid level, brake fluid level, washer level, etc. You should always check that all your lights on the vehicle are working properly. If everything is ok, you should check when the latest service was done and if it’s time for a new service.

How to check the coolant level on a diesel?

(Unfortunately we do not have a 1993 manual in the FAQs): The coolant level indicator circuit is shown in figure 7. 1. Turn the ignition switch to the “ON” position. connector is properly installed on the module. Go to step 2. module. Replace or repair as required. 2. Turn the ignition switch to the “ON” position and sensor on the radiator.

When does the low coolant level light come on?

When you start the engine, the low coolant level light should come on for a second or two and then go out. If it doesn’t go out, either the coolant level is too low or there is a problem with the sensor system. `. The light usually shows either a thermometer or a box, often with wavy lines to indicate liquid.

What to do if your Radiator is leaking coolant?

If not, the worn hoses should be replaced. If your radiator cap and hoses are fine, but there are coolant leaks around the engine, or coolant puddles on the ground, you could have a faulty radiator, water pump or thermostat housing. Solution: Get your vehicle to a mechanic immediately. Have it towed if necessary.

Why does my coolant light keep turning on?

Your thermostat may be stuck open and causing improper readings. If you recently had your thermostat replaced, check to see that it was replaced with the correct temperature range. Your coolant light might be signs of a more major engine problem.

When to replace a car coolant light sensor?

If your car is older, the sensor has deteriorated with time and may be failing but not entirely failed. It is not a bad idea to keep an eye on your sensor’s readings. Replacing a sensor that is starting to show extreme signs of age and wear can prevent future problems.

Author Image
Ruth Doyle