Davidkinton
Member
I’ve been having a series of problems with my 1.4 aua petrol. The fault code generated is an air leak detected. The symptoms are revs bouncing up and down at idle. All the lights have been lighting up on the dashboard. The strange thing is, when I unplug the egr valve, the engine runs much better and ticks over smoothly. It just throws up the epc and engine management light. I have tried replacing the egr valve with no improvement. Does anyone know why it runs better with the egr unplugged, and what might this suggest about the possible fault. Thanks for any advice.
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