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HOMESERVICE MANUALSMINI2013COOPER COUNTRYMAN, STANDARD TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 2452 (FUEL SYSTEM - REPAIR (N63))FUEL PUMP WITH DRIVE AND LINE13 31... NOTES ON FUEL PRESSURE CHECK (REFERENCE PRESSURE: ENVIRONMENT)COMPLAINT: STARTING PROBLEMS
2013 Mini Cooper Countryman, Standard Trans

Complaint: Starting Problems

2013 Mini Cooper Countryman, Standard TransSECTION Complaint: Starting Problems
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  • Run engine briefly at idle speed and switch off.
  • Note down measured value while engine is stopped.
  • Read off measured value again after approx. 20 to 30 minutes while engine is stopped.

Special tool 13 3 010 (hose clamp) is required for the following test.

If the measured value has dropped by more than 0.5 bar: 

  • Start engine and wait briefly for a stable pressure increase.
  • Switch off the engine and immediately pinch off the delivery line just before the pressure gauge with the special tool 13 3 010.
  • Note down measured value
  • Read off measured value again after approx. 20 to 30 minutes while engine is stopped

If the measured value has now dropped by less than 0.5 bar, the following faults can be present: 

  • Fault in delivery lines
  • Fault in in-tank delivery hose
  • Faulty pressure-holding non-return valve in fuel pump

Check components. Replace faulty components.

If the measured value has dropped by more than 0.5 bar again: 

  • Replace pressure regulator
NOTE:
  • All the fuel hoses and hose clips which were detached within the framework of the checks must be replaced.
  • Interrogate fault memory of DME control unit. Check stored fault messages. Rectify faults. Now clear the fault memory.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.