198001357 - 1040OA Fuel supply circuit check

The fuel system is highly sensitive.The work must be carried out with the greatest cleanliness and care.Any air in the system could damage the high pressure fuel pump.The vehicle must therefore never be driven with the fuel tank empty.
STEPCHECK TO BE PERFORMEDREMEDIAL ACTION IF THE CHECK IS NOT OK
1

  • Check that the tank contains the correct type of fuel
Remove the contents and wash the tank    Op. 1040A14 FUEL TANK - R + R FOR REPLACEMENT
2

  • The fuel reserve must be greater than 5 litres
Make sure there are at least 5 litres of fuel
3

  • Check for leaks in the fuel circuit.
  • Check the hoses and connected pipes to identify any obstructions, damage etc.
  • Check for breaks/scratches on the fuel supply or injection pipes.
  • Check the fuel pipe fittings (quick-fit).
  • Check the condition of the three-way fastening elements.
  • Check the fittings and seals are correctly fitted (use only Fiat Auto approved sealants).
  • Check for blockages, leaks, air or water in the fuel system.
Repair or, if necessary, replace the faulty components
4

  • Check the tightening torques for the capscrews:
Restore component tightness to the correct values
5

  • Check the fuel filter
Restore the fuel filter to correct working order or replace if necessary    Op. 1044B10 FUEL FILTER ASSEMBLY - R + R OR REPLACE