What is P0073 Fault-Error code?
The P0073 Fault-Error code is an OBD-II (On-Board Diagnostics - Second Generation) error code that indicates a problem with the vehicle's emission control system. This error code means "Ambient Air Temperature Sensor Circuit High Input".
Meaning of Fault/Error code P0073
The P0073 Trouble/Error code indicates that a high input signal has been detected in the vehicle's ambient air temperature sensor circuit. This indicates that the sensor is reading a high temperature and this is different than expected.
What causes the P0073 Fault/Error code?
P0073 Fault/Error code may occur for the following reasons:
The ambient air temperature sensor may be faulty or broken.
There may be a problem with the electrical connections of the ambient air temperature sensor.
There may be communication problems between the ECU (Engine Control Unit) and the sensor.
Symptoms of P0073 Fault/Error code
P0073 Fault/Error code may manifest itself with the following symptoms:
Irregular engine operation.
Decrease in fuel efficiency.
Engine temperature displayed abnormally high.
Engine light coming on (Check Engine Light).
How to detect P0073 Fault/Error code
The P0073 Trouble/Error code is detected using an OBD-II scanner or error code reader. These devices can read error codes from the vehicle's ECU.
How serious is the P0073 Fault/Error code?
Fault/Error code P0073 can adversely affect the vehicle's performance and emissions, so
should be taken seriously. However, it is not an error code that poses an immediate danger.
P0073 Fault/Error code solution
Resolving the P0073 Trouble/Error code may typically include:
Ambient air temperature sensor replacement.
Checking and repairing electrical connections.
These types of repairs often require mechanical skill and may require the help of a professional auto service.
Things to consider regarding P0073 Fault/Error code
It is important to contact an auto dealer or use an OBD-II scanner to determine what is causing the error code.
Once the cause of the error code is determined, it is important to make the necessary repairs.
The error code should not be ignored as this can have adverse effects on your vehicle's performance and emissions.
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