6C13G11
9-12
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9
Check the ignition system and
compression pressure.
No
Yes
Replace the needle valve.
Is the needle valve
bent or worn?
Check the fuel filters for clogs,
dirt, or water and the hoses for
leaks.
No
Yes
Replace the diaphragm.
Check the vapor separator
needle valve.
Cracks or damage?
No
Repair, clean, or replace the
defective parts.
Yes
Check the fuel pump
diaphragm.
Yes
Replace the pressure regulator.
No
Good condition?
Check the fuel rail for leaks or
damage.
Yes
Good condition?
Good condition?
Replace the fuel rail.
No
Power unit
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