Engine-CodesMINI – P1145 MINI

P1145 MINI Code - Solenoid Valve Running Losses Control Circuit Electrical

Quick Answer

The P1145 MINI code indicates a problem with the Solenoid Valve Running Losses Control Circuit Electrical. Common causes include Faulty solenoid valve, Wiring issues or electrical connections, Engine control module (ECM) failure. 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
P1145 MINI indicates Solenoid Valve Running Losses Control Circuit Electrical.
Common causes
Common causes include Faulty solenoid valve, Wiring issues or electrical connections, Engine control module (ECM) failure.
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.
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code P1145 MINI Description

The P1145 MINI code indicates a problem with the Solenoid Valve Running Losses Control Circuit Electrical. This solenoid valve is responsible for controlling the flow of air in the running losses system of the vehicle. The running losses system is designed to recirculate unburned fuel vapors from the engine back into the combustion chamber to reduce emissions and improve fuel efficiency.

OBDII Code P1145 MINI - Solenoid Valve Running Losses Control Circuit Electrical
P1145 MINI Code - Solenoid Valve Running Losses Control Circuit Electrical

Common Causes of P1145 MINI

  1. Faulty solenoid valve
  2. Wiring issues or electrical connections
  3. Engine control module (ECM) failure
  4. Vacuum leaks in the running losses system
  5. Carbon buildup in the solenoid valve

Symptoms of P1145 MINI

  1. Rough idling
  2. Stalling
  3. Hesitation during acceleration
  4. Engine misfires
  5. Decreased fuel efficiency

How to Fix P1145 MINI

  1. Begin by diagnosing the issue using an OBD-II scanner to confirm the P1145 code.
  2. Inspect the solenoid valve for any visible damage or signs of malfunction.
  3. Check the wiring and electrical connections for any breaks, fraying, or corrosion.
  4. Test the solenoid valve's functionality using a multimeter to ensure it is receiving power and operating correctly.
  5. Replace the solenoid valve if it is found to be faulty, and clear the code from the ECM to reset the system.

Cost to Fix P1145 MINI

The typical repair costs for fixing a P1145 MINI code can vary depending on the specific cause of the issue. In general, replacing a faulty solenoid valve can cost between $150 and $300 for parts, with additional labor costs ranging from $100 to $200. The total repair cost may range from $250 to $500, but it is advisable to check with local auto repair shops for more accurate pricing based on your vehicle make and model. Keep in mind that diagnosis time and labor rates can also impact the final cost of the repair.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1145 MINI Code

1. What are common symptoms of OBDII code P1145 in a MINI related to the solenoid valve running losses control circuit?

- Common symptoms include rough idling, poor engine performance, and decreased fuel efficiency.

2. What are some possible causes of the P1145 code in a MINI?

- Causes may include a faulty solenoid valve, wiring issues, a damaged connector, or a problem with the engine control module.

3. How can I diagnose the source of the P1145 code in my MINI?

- Diagnostic steps may involve checking the wiring and connectors for damage, testing the solenoid valve for proper function, and using a scan tool to analyze the code.

4. Can I continue driving my MINI with the P1145 code present?

- It is not recommended to continue driving with the P1145 code as it can lead to further damage and decreased engine performance.

5. Is it possible to repair the solenoid valve running losses control circuit in my MINI myself?

- Depending on your mechanical skills, you may be able to replace the solenoid valve or repair wiring issues yourself. However, professional assistance is recommended for accurate diagnosis and repair.

6. How much does it typically cost to repair the P1145 code in a MINI?

- Repair costs can vary depending on the cause of the code and the labor rates of the repair shop. It is advisable to get a few quotes from different mechanics to compare prices.

7. Are there any preventative measures to avoid the P1145 code in the future?

- Regular maintenance, such as checking and cleaning the solenoid valve, inspecting wiring for damage, and keeping up with recommended service intervals, can help prevent the occurrence of the P1145 code.

8. Can a faulty solenoid valve cause other issues in my MINI besides triggering the P1145 code?

- Yes, a faulty solenoid valve can lead to poor engine performance, decreased fuel efficiency, and other related issues if not addressed promptly.

9. Will resetting the OBDII system clear the P1145 code in my MINI?

- Resetting the system may temporarily clear the code, but if the underlying issue is not resolved, the code is likely to reappear after some driving cycles.

10. How urgent is it to address the P1145 code in my MINI?

- It is recommended to address the P1145 code promptly to prevent further damage to the engine and ensure optimal performance of your MINI.

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