Cooper (R56) L4-1.6L (N12) (2008)
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 DME control unit. Check stored fault messages. Rectify faults. Now clear the fault memory.