If severe engine jerking is identified on the above vehicle at speeds of 3000 rpm and above and error code P1113 is read out from the error memory at the same time, the cause could be a clogged fuel filter.
If insufficient fuel is supplied to the electronic diesel control system, there is a pressure drop in the system which is detected by the electronic sensors. The error stored in the control unit is generally attributed to the following causes during general diagnostics:
Before replacing the various components, first check the fuel supply system.
We recommend the following procedure:
If significant deviations are identified, replace the fuel filter and repeat the checks.
Please always observe the maintenance and repair notes provided by the vehicle manufacturer in this context.
Important safety note
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