Cooper S (R53) L4-1.6L SC (W11) (2004)
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Note down measured value
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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:
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Fault in delivery lines
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Fault in in-tank delivery hose
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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:
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Replace pressure regulator
NOTE:
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All the fuel hoses and hose clips which were detached within the framework of the checks must be replaced.
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Interrogate fault memory of EMS2000 control unit. Check stored fault messages. Rectify faults. Now clear the fault memory.