Fuel injection amount learning process (diesel-powered vehicles)
To keep exhaust emissions and engine noise low, the engine very occasionally performs a learning process for the fuel injection amount.
The engine sounds slightly different from usual while the learning process is taking place. The change in the engine sound does not indicate a fault.
See also:
Vehicles equipped with M/T
Petrol-powered vehicles without MIVEC engine
Petrol-powered vehicles with MIVEC engine
Diesel-powered vehicles without MIVEC engine
Petrol-powered vehicles with MIVEC engine
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If the DPF warning display and check engine warning lamp illuminate at the same
time during vehicle operation
If an abnormal condition occurs in the DPF system, the DPF warning display and
check engine warning lamp illuminate. Have the system inspected at a MITSUBISHI
MOTORS Authorized Service Point.
...