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How do you troubleshoot trouble code P2400, which indicates an EVAP system leak detection pump control circuit/open in a 2010 Mini Cooper?

a. Check the gas cap
b. Replace the leak detection pump
c. Inspect the EVAP system hoses
d. Reset the trouble code

Answer :

Final answer:

To troubleshoot code P2400 in a 2010 Mini Cooper, check the gas cap, inspect the EVAP system hoses, examine electrical connections, and consider replacing the leak detection pump. Clear the code after repairs to see if the issue is resolved. so the correct answer is a. Check the gas cap.

Explanation:

The trouble code P2400 in a 2010 Mini Cooper indicates an issue with the Evaporative Emission Control (EVAP) System, specifically related to the leak detection pump control circuit. To troubleshoot this code, you should follow these steps:

  • Check the gas cap to ensure it is properly tightened and has a good seal, as this is a common and simple fix.
  • Inspect the EVAP system hoses for any signs of cracks, holes, or disconnections that could cause a leak.
  • Examine the electrical connections to the leak detection pump, ensuring that they are secure and not corroded.
  • If all else fails, consider replacing the leak detection pump, as it may be faulty.

Remember to clear the trouble code after repairs to check if the issue has been resolved. If none of these steps fix the problem, it may be necessary to seek professional diagnosis.