Rail Pressure Data Logging

Graphing actual fuel rail pressure against the pressure the DME is commanding, over cranking, idle and load. The gap between the two lines, not the absolute number, is what says whether the high pressure pump is keeping up.

Documented repairs

Ruling Out the HPFP on a 2010 MINI Cooper S With Live Data

2010 MINI Cooper S (R56, N14 1.6L Turbo)

A 2010 MINI Cooper S no-start with a suspected high pressure fuel pump. Rail pressure, adaptation and restart data proved the N14 pump was fine.

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Engines

• N14 1.6L Turbo

Models

• R56 MINI Cooper S

Repairs by System

• Diagnosis
• No Start
• Engine
• Fuel System

Symptoms

• Extended Crank
• No Start
• Reduced Engine Power
• Running Rich