This document outlines common fuel system problems that cause engines to not start and their solutions. Problems listed for diesel engines include a non-working or jammed fuel filter, high pressure pump issues, and non-working or low pressure injectors. The solutions involve servicing or replacing the fuel pump, filter, pump, injectors, and fuel lines. Similar problems and solutions are provided for petrol engines and non-starting engines in general.

4. 4
Problem
 Fuel pump not work
 Fuel filter highly jam
 High pressure
pump not work
 Injector not
work or
pressure very
low
Solution
 Fuel pump servicing
 Fuel filter change
 Pump servicing
 Injector change
 Fuel line repair or
replace
 Check the fuel line

5. For Petrol engine
5
Problem
 Fuel pump not work
 Fuel pump pressure
low
 Fuel line lickage
 Carburetor does no
work
 If EFI engine injector
not work
 Injector pressure low
Solution
 Fuel pump repair
 Fuel pump repair
 Fuel line repair
 Carburetor serving
 Injector change
 Injector change

6. Engine do not start for fuel system
6
Problem
 Empty fuel tank
 Fuel is old, dirty, or
contaminated
 Faulty wiring and
connection problems
in the fuel system
 Fuel pump not
working
 Fuel supply hose
damaged, distorted,
or improperly
attached
Solution
 Fill-up the fuel tank
 Change the fuel
 Check and repair
 Service the pump
 repair or replace