The primary fuel filter will be in the boot, "Trunk". At the front right corner of the spare tire compartment.
Usually about 19 MPG
in the gas tank
87
1984 Jaguar XJ6 4.2L FI 6cyl
in the trunk remove the spare tire
o2 sensor fuel too rich
I believe it is 36 psi. Beez in Delaware
Ignition Amplifier Failure
47 or 48 series is the battery you need
The fuel pump relay for a 1993 xj6 Jaguar is located in the trunk on the right hand rear side, next to the rear light control module. It is a 4 prong black relay.
On a 1993 XJ6 the fuel filter is bolted to the underside of the car on the nearside near the rear wheel-arch.