P1726 Infiniti Code - Electric Throttle Control System
Quick Answer
The P1726 code in an Infiniti vehicle indicates a problem with the Electric Throttle Control System. Common causes include Faulty throttle body, Malfunctioning throttle position sensor, Issues with the accelerator pedal position sensor. 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
- P1726 Infiniti indicates Electric Throttle Control System.
- Common causes
- Common causes include Faulty throttle body, Malfunctioning throttle position sensor, Issues with the accelerator pedal position sensor.
- 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.
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Code P1726 Infiniti Description
The P1726 code in an Infiniti vehicle indicates a problem with the Electric Throttle Control System. This system is responsible for regulating the amount of air entering the engine to control the vehicle's speed. When this code is triggered, it means that the Engine Control Module (ECM) has detected a malfunction in the electric throttle control system, potentially leading to issues with the vehicle's performance.
Common Causes of P1726 Infiniti
- Faulty throttle body
- Malfunctioning throttle position sensor
- Issues with the accelerator pedal position sensor
- Wiring or connection issues in the electric throttle control system
- ECM software or hardware problems
Symptoms of P1726 Infiniti
- Reduced engine power
- Poor acceleration
- Stalling or idle fluctuations
- Limp mode activation
- Check Engine Light illuminated
How to Fix P1726 Infiniti
- Perform a thorough inspection of the electric throttle control system components to identify the faulty part.
- Test the throttle body, throttle position sensor, and accelerator pedal position sensor for proper operation.
- Check for any wiring or connection issues in the system and repair or replace as needed.
- Clear the error code and perform a test drive to ensure the issue has been resolved.
- If the problem persists, consider reprogramming or replacing the ECM.
Cost to Fix P1726 Infiniti
The typical repair costs for addressing the P1726 code in an Infiniti vehicle can vary depending on the specific cause of the issue. In general, the cost of replacing a faulty throttle body, throttle position sensor, or accelerator pedal position sensor can range from $200 to $600, including parts and labor. However, additional diagnostic time and labor charges may apply, so it's advisable to check with local auto repair shops for a more accurate estimate based on your vehicle make and model, as well as the severity of the issue.
Tech Notes for P1726 Infiniti
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Frequently Asked Questions about P1726 Infiniti Code
1. What does the OBDII code P1726 mean on an Infiniti?
P1726 indicates an issue with the Electric Throttle Control (ETC) system, which controls engine throttle electronically without a mechanical cable.
2. What are the common symptoms of code P1726 in an Infiniti?
Symptoms may include reduced engine power, hesitation during acceleration, the throttle not responding properly, and the check engine light turning on.
3. What causes the P1726 code to appear on an Infiniti?
Common causes include a malfunctioning throttle body, faulty throttle position sensor (TPS), wiring or connector issues in the ETC system, or problems with the engine control module (ECM).
4. Can a dirty throttle body trigger the P1726 code?
Yes, a dirty or clogged throttle body can disrupt airflow and cause the ETC system to malfunction, potentially triggering the P1726 code.
5. How can you diagnose the P1726 code on an Infiniti?
A technician will use a scan tool to read live data, inspect the throttle body and wiring, test the throttle position sensor, and check for any additional related codes.
6. Can I drive my Infiniti with the P1726 code?
Driving with this code is not recommended as it can lead to reduced performance and potential safety concerns due to inconsistent throttle response.
7. How do you fix the P1726 code on an Infiniti?
Common fixes include cleaning or replacing the throttle body, repairing damaged wiring or connectors, or replacing a faulty throttle position sensor.
8. Does the P1726 code require throttle body replacement?
Not always. The issue could be resolved by cleaning the throttle body or addressing wiring issues, but replacement may be necessary if the throttle body is damaged.
9. How much does it cost to repair the P1726 code on an Infiniti?
Repair costs vary but can range from $150 to $500 depending on whether cleaning, repairs, or part replacements (e.g., throttle body or TPS) are needed.
10. Can a failing ECM cause the P1726 code in an Infiniti?
Yes, although rare, a malfunctioning ECM can fail to properly control the ETC system, leading to the P1726 code.
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