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Coolant Temp Sensor Code
Coolant Temp Sensor Code. The bmw 323i i bought threw codes for cats, o2 sensors, and 3 cylinder misfires on cold start as well as secondary air injection codes. Both of these fault codes point to a possibly faulty thermostat, but the p0128 code can also mean there’s an issue with the temperature sensors as well.

Below are five codes related to a faulty coolant temperature sensor: Both of these fault codes point to a possibly faulty thermostat, but the p0128 code can also mean there’s an issue with the temperature sensors as well. The coolant temperature sensor, (cts) is a negative temperature coefficient thermistor.
Both Of These Fault Codes Point To A Possibly Faulty Thermostat, But The P0128 Code Can Also Mean There’s An Issue With The Temperature Sensors As Well.
This trouble code sets when the powertrain control module (pcm) perceives that the input signal from the engine coolant temperature (ect) sensor is intermittent or erratic for a set period of time. Test or replace the engine coolant temperature sensor. However, if you’ve been using regular tap water to mix with your antifreeze instead of distilled water, or if the coolant is extremely old, that might be the.
When The Coolant Is Hot The Sensor Should Have A Lower Ohms Reading.
This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Below are five codes related to a faulty coolant temperature sensor: Coolant thermostat (coolant temperature below thermostat regulating temperature) what the p0128 code means.
Engine Coolant Temperature Circuit Malfunction
The first is to provide the driver of a vehicle with a constant and accurate indication of the engine’s temperature, while the second is to regulate, initiate, or terminate several critical engine and emission. The average coolant temperature sensor replacement cost is between $50 and $250, depending on the car model and labor costs. It keeps saying 1 code remaining p0115.
The Bmw 323I I Bought Threw Codes For Cats, O2 Sensors, And 3 Cylinder Misfires On Cold Start As Well As Secondary Air Injection Codes.
Consult your service manual to find the exact location of your thermostat. If warmer than 149° c (300° f): A coolant temperature sensor costs $30 to $100, and the labor costs $20 to $150.
However, Before You Replace Your Entire Thermostat, Inspect These Other Areas As Well.
The ect sensor is basically a thermistor that changes resistance with temperature. However, the normal engine temp should be in the range of 195 degrees to 220 degrees fahrenheit. You may see some of the following ect sensor dtc trouble codes:
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