PROBLEM JOBS
Test don’t guess, says Carl Ford Experienced vehicle technician, Carl Ford explains why it’s worth gathering the data to diagnose and fix faults properly IT TURNED out to be relatively easy to diagnose and repair but it’s a fault I’ve seen on lots of other vehicles where expensive parts have been replaced without correct diagnosis. I started out with a simple scan for fault codes. Straight away, we saw some form of fuel pressure issue so we set about trying to find the cause of the fault. Attempting to replicate the fault, I carried out a road test and, in second gear up a slight incline, I put the throttle pedal to the floor.
Head scratching nuisances
Job SHEET Vehicle: 2009 BMW MINI Clubman 1.6 diesel (EDC16) Problem: Vehicle shows EML and cuts out under load History: Vehicle recent service
has
had
Fault codes • 4570: Rail plausibility controlled
pressure quantity
• 4590: Rail plausibility controlled
pressure quantity
• 3F30: Rail pressure sensor signal
At about 4000rpm the EML came on and the car cut out. I immediately hit the save button on my scan tool.
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