Case description about stop soon after starting
● Diesel engine can be started, but after starting it exhausted
black smoke. Inspect air lter element and air passage are circulated
and turbocharger is normal.
● Find fuel is mixed in water after inspecting low pressure fuel
passage and fuel. Dismantle and inspect injector, and then find
head of injector has water rust. We can judge that fuel is mixed in
fuel, which causes 6 needle valves of injector are rusted and seized.
Fuel is disqualification, there is water in fuel and water filter
is not installed, which causes needle valve of injector rust and
atomization of fuel is not good.
Case analysis
Remedy
Replace quality fuel and injector, add water lter.
Water lter
Injectors
have rusted
Left side represents fuel
used in the car Right side
is normal fuel
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