• Engine: Engine Code. A sequence of letters and numbers. This includes the engine block type and engine family, but may also include other information.
• Capacity: Capacity/Filter capacity in litres(liters). Engine oil fill quantity (Service fill).
• Intervals: Oil Change Intervals (use: normal). Engine oil should be changed at the latest after this time or after miles/km, whichever comes first.

The oil filter must be replaced every time the oil is changed, unless the car's owner's manual recommends otherwise.

	Engine	Capacity	Intervals
Firenza 1.8 (1982 – 1986)		4.75 / 1	n/a
Firenza 2.0 (1982 – 1988)		4.75 / 1	n/a
Firenza 2.8 V6 (1985 – 1987)		4.75 / 1	n/a