Technical No accelaration, engine warning light on

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Technical No accelaration, engine warning light on

Well the official info for this P0520 on the 1.4 Multiair is:

334 - 500X 1.4 Turbo MultiAir Oil pressure switch (Signal incorrect
after event) P0520-00

Sadly there are no normal diagnostic charts for this error code. Title only and blank sheet!

If new sensor then probably a wiring problem. Check the sensor wires and nearby connector. You could also try popping and engine ECU connectors and using some switch clean/lubricate fluid. Disconnect the battery -ve first though.
Thanks will give it a try.
 
Final outcome- took it to the main dealer- there are 2 sensors 1 on top of the other in a 500x. Change both of them or the problem will likely come back. Hope someone finds this useful!
 
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