Direct Injection Type Diesel Engine - SSANGYONG 2010 Kyron User Manual

DIRECT INJECTION TYPE DIESEL ENGINE

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CAUTIONS FOR DIRECT INJECTION TYPE DIESEL ENGINE (I)
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Direct Injection (DI) Type Diesel Engine
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Compared to Indirect Injection (IDI) Type Diesel Engine that
uses a mechanical fuel injection system, a Direct Injection (DI)
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Type Diesel Engine controls the amount of injected fuel and
the fuel injection timing electronically. This advanced engine
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enhances the output power and reduces the noxious exhaust
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gas (CO, HC, NOx....). Because the Direct Injection Diesel
Engine is operated by high pressure (1,600 bars), any
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removal, modification or service of the engine may contami-
nate the inside of the system and cause the system to
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malfunction. In that case, the malfunction and any related sys-
tems are not under warranty of this company.
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Warning for Using Poor Quality Fuel
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The fuel system in a DI engine equipped vehicle has many
precisely machined components. Using poor quality fuel
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could result in serious damage to the engine due to the wa-
11 ter or impurities in the fuel.
Never use the poor quality fuel.
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System Safety Mode
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When the vehicle has a system error, the vehicle operates
in safety mode to maintain minimum driving conditions and
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to prevent the system from being damaged. In this mode,
the engine driving force may be decreased or the engine may
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stall. When this happens, have the system checked at a
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Ssangyong Dealer or Ssangyong Authorized Service Center.
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SAFETY PRECAUTIONS
Supplementary Heating Device
- FFH (Fuel Fired Heater)
This supplementary heater is a fuel burning type and im-
proves the heating effect by increasing the engine cool-
ant temperature.
- PTC (Positive Temperature Coefficient) Heater
This supplementary heater is an electrical air heating type
and installed on the heater outlet port. This device im-
proves the heating effect by increasing the temperature of
flowing air into the passenger room.
FFH Operation
The FFH system operates up to more than 2 minutes to
burn the residual fuel inside the system when stopping
the engine during its operation.
Therefore, a certain period of FFH operation after stopping
the engine is not a malfunction.
In an initial operating stage, the fuel pump generates the
operating sound and the FFH heater produces white
smoke. These are normal states to fill the fuel into the
FFH fuel line.