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faultcode:  18974    P2542     Low Pressure Fuel System Sensor (G410)    Signal too High

This faultcode is 'Generic OBD' (for each car manufacturer the same meaning / discription). The symptoms-causes-solutions on this page are specifically voor VAG-cars; they can slightly differ for other car brands.

Take care: the possible symptoms-causes-solutions on this page are not written by or for the VAG concern, they do come from countless other public sources. So completly and without mistakes cannot be guaranted. Keep thinking critically.

Possible symptoms:

MIL (Malfunction Indication Light) on Motor doesn't run smooth and/or straightforward

Possible causes:

Some restriction in the fuelsystem Fuel-filter contaminated Pump in fuel-reservoir faulty

Possible solutions:

Check / repair all fuel hoses Check / replace fuel-filter Check / replace the pump in fuel-reservoir

Extra info:

Try to find the duty cycle of the fuel-pump in a Measuring Block. That duty cycle must be max. 80% (70?). The higher the duty cycle the more the pump must work to deliver the fuel to the Highpressure fuelpump