Nissan Navara (D40) - Power loss and error code P0093

A loss of engine power and rough idling in the vehicles mentioned above may be caused by defective injection valves. An additional stored error code P0093 indicates that there is a pressure drop in the fuel system.

The following steps should be taken to rectify the problem:

• Check fuel lines and fuel filters and replace if necessary
• Check fuel pressure, pressure regulator and injector nozzles using a diagnostic device
• Inspect the catalytic converter for damage caused by unburnt fuel
• Replace defective components
• Clear fault memory

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