P0073 Mitsubishi Code - Ambient Air Temperature Sensor Circuit High
Quick Answer
This Diagnostic Trouble Code (DTC) is stored in the Engine Control Module (ECM) when a malfunction is detected with the Ambient Air Temperature Sensor. Common causes include Faulty Ambient Air Temperature Sensor, Ambient Air Temperature Sensor harness is open or shorted, Ambient Air Temperature Sensor circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P0073 Mitsubishi indicates Ambient Air Temperature Sensor Circuit High.
- Common causes
- Common causes include Faulty Ambient Air Temperature Sensor, Ambient Air Temperature Sensor harness is open or shorted, Ambient Air Temperature Sensor circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P0073 Mitsubishi Description
What are the Possible Causes of the DTC P0073 Mitsubishi?
- Faulty Ambient Air Temperature Sensor
- Ambient Air Temperature Sensor harness is open or shorted
- Ambient Air Temperature Sensor circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0073 Mitsubishi?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0073 Mitsubishi code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P0073 Mitsubishi Code
1. What does the OBDII code P0073 mean on a Mitsubishi?
P0073 indicates an issue with the Ambient Air Temperature Sensor Circuit, specifically that the voltage is higher than expected.
2. What are the common symptoms of a P0073 code?
Symptoms may include incorrect ambient temperature readings, failure of the air conditioning system to work properly, and the Check Engine Light being illuminated.
3. What causes a P0073 code on a Mitsubishi?
Common causes include a faulty ambient air temperature sensor, damaged or corroded wiring, poor electrical connections, or issues with the vehicle's PCM.
4. Can I drive my Mitsubishi with a P0073 code?
While the vehicle may still be drivable, it’s recommended to address the issue promptly as it can affect climate control and engine performance.
5. How do you fix a P0073 code on a Mitsubishi?
Repairs may involve replacing the ambient air temperature sensor, repairing or replacing damaged wiring, cleaning corroded connectors, or resetting the PCM.
6. Where is the ambient air temperature sensor located on a Mitsubishi?
The ambient air temperature sensor is typically located near the front of the vehicle, often behind the grille or near the radiator.
7. How much does it cost to fix a P0073 code?
Repair costs can vary but generally range from $50 to $150 for sensor replacement, plus additional labor costs if wiring repairs are needed.
8. Can a faulty ambient air temperature sensor affect fuel efficiency?
Yes, inaccurate temperature readings can impact engine performance and climate control, potentially leading to reduced fuel efficiency.
9. How do you test an ambient air temperature sensor for a P0073 code?
You can test the sensor using a multimeter to check for proper resistance values based on the ambient temperature.
10. Will clearing the P0073 code fix the problem permanently?
Clearing the code will reset the Check Engine Light, but the underlying issue must be resolved to prevent the code from returning.
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