P0721 Lincoln Code - Output Shaft Speed Sensor Range/Performance
Quick Answer
The Output Shaft Speed (OSS) Sensor provides the Powertrain Control Module (PCM) with information about the rotational speed of an output shaft. Common causes include Faulty Output Speed Sensor (OSS), Output Speed Sensor harness is open or shorted, Output Speed 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
- P0721 Lincoln indicates Output Shaft Speed Sensor Range/Performance.
- Common causes
- Common causes include Faulty Output Speed Sensor (OSS), Output Speed Sensor harness is open or shorted, Output Speed 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 P0721 Lincoln Description
What are the Possible Causes of the DTC P0721 Lincoln?
- Faulty Output Speed Sensor (OSS)
- Output Speed Sensor harness is open or shorted
- Output Speed Sensor circuit poor electrical connection
- Faulty Powertrain Control Module (PCM)
How to Fix the DTC P0721 Lincoln?
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 P0721 Lincoln 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 P0721 Lincoln Code
1. What are the common symptoms of OBDII code P0721 in a Lincoln related to the Output Shaft Speed Sensor Range/Performance issue?
- Common symptoms include erratic shifting, delayed or harsh shifting, stalling at idle, and illuminated check engine light.
2. What can cause the OBDII code P0721 in a Lincoln to trigger?
- The code P0721 is typically triggered by a faulty output shaft speed sensor, damaged wiring or connectors, low transmission fluid level, or internal transmission issues.
3. How can I diagnose the Output Shaft Speed Sensor Range/Performance issue in my Lincoln with OBDII code P0721?
- You can diagnose the issue by using an OBDII scanner to read the code, inspecting the output shaft speed sensor and its wiring, checking the transmission fluid level, and conducting a road test to observe the symptoms.
4. What are the possible repair options for resolving OBDII code P0721 in a Lincoln?
- Repair options include replacing the output shaft speed sensor, repairing or replacing damaged wiring/connectors, topping up transmission fluid, and addressing any internal transmission problems with the help of a professional mechanic.
5. Can I continue driving my Lincoln with OBDII code P0721 related to the Output Shaft Speed Sensor Range/Performance issue?
- It is not recommended to continue driving with this code unresolved, as it can lead to further transmission damage and potentially unsafe driving conditions. It's best to address the issue promptly.
6. How much does it typically cost to repair OBDII code P0721 in a Lincoln?
- The cost of repair can vary depending on the exact cause of the issue and the labor rates in your area. On average, replacing the output shaft speed sensor can cost between $100 to $300, including parts and labor.
7. Are there any DIY tips for fixing OBDII code P0721 in a Lincoln?
- DIY tips include checking and cleaning the output shaft speed sensor, inspecting and repairing any damaged wiring, and ensuring proper transmission fluid levels. However, complex transmission repairs may require professional help.
8. Will resetting the OBDII code P0721 in my Lincoln make the issue go away?
- Resetting the code may temporarily clear the check engine light, but it will not fix the underlying problem causing the code. It's essential to diagnose and address the root cause of the issue for a lasting solution.
9. How long does it take to repair OBDII code P0721 in a Lincoln?
- The repair time can vary depending on the exact cause of the issue and the complexity of the repair. Replacing the output shaft speed sensor typically takes around 1-2 hours, but additional diagnostic time may be needed.
10. Can a faulty output shaft speed sensor cause other issues in my Lincoln besides triggering OBDII code P0721?
- Yes, a faulty output shaft speed sensor can cause other transmission-related issues such as incorrect gear ratios, poor fuel economy, and transmission slipping or overheating. Addressing the problem promptly is crucial.
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