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:
During cold weather
The capacity of the battery is reduced at low temperatures.
This is an inevitable result of its chemical and physical properties.
This is why a very cold battery, particularly one that is not fully ...
If your vehicle is stuck: in sand, mud or snow
If the vehicle becomes stuck in snow, sand, or mud, it can often be moved by
a rocking motion. Move the gearshift lever or selector lever alternately between
the 1st and Reverse position (with man ...
During cold weather
The capacity of the battery is reduced at low temperatures. This is an inevitable
result of its chemical and physical properties. This is why a very cold battery,
particularly one that is not full ...