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    Common Diesel Injection Pump Failure and Troubleshooting

    1 diesel injection pump does not supply:

    (1) diesel fuel tank is no time to add diesel

    (2) release into the air in the fuel system such as oil drain screw pump, hand pump oil pump to remove air

    (3) clean the fuel filter or tubing blocked or replace the paper filter on the pipe after washing blowing

    (4) The oil pump does not pump oil at troubleshooting repair

    (5) plunger killed dismantling the plunger to repair or replace the grinding

    (6) Block cutting oil combined with the plunger set demolition of a bad seal surface grinding, or replacement

    2 diesel fuel pump supply uneven

    (1) oil pipeline in the air, hand pump oil to exclude air intermittent

    (2) replace the broken valve spring

    (3) out of the oil valve seat grinding repair or replacement of worn surface

    (4) replace the plunger spring fracture

    (5) clean the impurities so that the plunger block

    (6) into the oil pressure is too small to check the fuel pump into the oil filter and fuel filter fitting is blocked, cleaning and maintenance schedule

    (7) adjust the ring marks the factory tightening loose screws align

    Diesel fuel injection pump out less than 3

    (1) out of the oil leaking valves of repair or replacement of grinding

    (2) connector into the oil pump filter or clean the filters blocked fuel filter or cores

    (3) plunger Plunger replacement of worn parts

    (4) oil pipeline joints to re-tighten or repair.


    China Lutong diesel Parts Plant is a manufacturer specialist in diesel engine parts.Our majored products is Ve Pump,diesel injection parts, diesel nozzle,diesel fuel injection system,and the interrelated products (such as Head Rotor,Feed Pump ,Cam Plate, Drive Shaft , Manget Valve , etc.),Diesel Plunger(A ,AS,P,PS7100,P8500,MW type, etc.) ,Diesel Nozzle (Dn,DNOPDN,S,SN,PN and so on.),Delivery Valve,Cat Pencil Nozzles and so on.
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