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D5204T3 Engine check light

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Old Apr 24th, 2018, 15:38   #1
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Default D5204T3 Engine check light

I have a D4 XC60 with the 5cyl engine, the engine management check light keeps comming on with codes P004906 Turbo overspeed general failure,P023600 Turbo boost sensor circuit range/general failure and EGG no flow detected general failure.
There is no loss of power and the light only comes on when running in 4th or 5th gear with hardly any throttle applied i.e. running just above "freewheeling" it will reset and remain off for a week or so until driving conditions are the same. I get the impression the ECU is being thrown by the low air flow in this driving condition. Any ideas???
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Old Jul 12th, 2018, 22:55   #2
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Last Online: Sep 19th, 2018 14:57
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All sorted as per my other post on Boost Pressure sensor, the sensor was reading high at all engine revs. Bought new one from well known auction site (not a Bosch one) 40 and all good again.
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