mine is a 92 xj6 and in the car handbook it has all the stuff jaguar reccommend. but i use castrol high mileage.jaguar reccommend castrol products.
8 litres
oil grade 95 xjs
i had a 1985 xj6 for 18 yrs. my mech. always used 20w50 in mine. never had a problem
My 1990 takes 8-1/2 quarts, not positive if 1992 is the same capacity
For XJ6 4.0 Liter engines, the oil capacity is 8 quarts.
Traditionally the engine computer for a 1990 Jaguar xj6 is located in the car near the engine. The computer can also locate behind the dashboard near the engine.
22.8 gal.
HSMO mineral oil (it's green). You can buy it online, it runs about 10.00 for a quart.
Ignition Amplifier Failure
R134a
87
coolant temp sensor fault