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:
Checking battery electrolyte level
The electrolyte level must be between the specified limit on the outside of the
battery. Replenish with distilled water as necessary.
The inside of the battery is divided into several compartment ...
Chassis number
The chassis number is stamped on the bulkhead as shown in the illustration. ...
Rear window washer
The washer fluid will be sprayed onto the rear window while the button is being
pressed. ...