Checkout process of the injector
Air intake clogged(air cleaner
choked)
Check air cleaner and air intake pipe, then
clean them
Exhaust back pressure is too
high
Check exhaust pipe and brake valve, then
clean them
Poor quality of fuel Renew the fuel according to requirements
Fuel line choked Check and repair
Fuel line leaked Check and repair
Poor atomizing Check, adjust and repair
Incorrect timing of valve gear
or fuel delivery
Adjust valve clearance and injection
advance angle according to requirements
Leakage in cylinder gasket Check compressed pressure
The clearance of main bearing
shell is too large Engine need
to overhaul
Check and overhaul
Piston scufng Replace cylinder liner, piston and piston ring
Insufcient pressure in
supercharging system
Check and block up the leakage of pipeline
Faults in turbocharger Check and replace
Intercooler damaged or leaked Replace or repair
Attached table: fault cause and remedy
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