Jaguar xj6 84 model when ignition is turned to on fuel pump doesnt prime for 2 seconds like it should, pump is working and solonoid is ok cause when i push open the air meter flap it comes on and pump can be hear so pump will run when car is running but doesnt run briefly as it should when igniton selected before start...

Oil pressure sensor is not latching the fuel pump relay....the oil pressure sensor is old in the 95 and needs to be replaced anyway..........Also make sure oil level is correct...a low oil sensor may be disabling the ignition......

With the ignition on , not cranking the fuel power will only turn on for two seconds > Just to prime the system . You need to test while cranking the engine . The PCM - engine computer energizes the fuel pump relay , most vehicles ! What year , make , model an engine size ?
Fuel Pump Electrical Circuits Description and Operation

Mike, I don't know what you are working on, Chrysler? Chevy? Chrysler and Jeep have an Automatic Shutdown Relay for power to the coil. But the only thing I know that gets a 2 second signal with key in on, is the fuel pump relay. The pcm sends a 2 second signal to pin 85 or 86 of the FP relay with key on to prime the fuel system. Do you need a wiring diagram?

Try pushing the automatic fuel shut off button located on the left side of the steering wheel or in the glove compartment If that doesnt work then you should make sure the fuel pump is pumping fuel by listening for it to power on when you turn your ignition key

I think he could be right here and it needs a rebiult computer

check if the input side of the fuel pump has a restriction . a perished rubber hose can be a problem , the pump should be able reach a pressure 35 psi + and a flow of a quart every 30 seconds at this pressure.

The fuel pump relay should have a schematic on it so you can check it with an ohm meter for a short. If it checks ok and when you turn the key on, you do not hear the pump then replace the pump

The anti thieft system is keeping it from running.

First thing to check out will be the fuel pump relay under the hood. It is the one who drives the pump, so if it is defective the pump will not work either to prime the engine, or to make it run. Secondly, you need to check if the fuel filters are OK cause sometimes they clog up and prevent enough fuel from reaching the engine. Thirdly, check the injector(s) for cloging, and clean or replace them as needed. If none of this helps, then the problem probably has nothing to do with fuel delivery, and the next step to check will be the whole ignition system, which is also one of the most comon bronco problems.

where do i find the fuel filter on an x type jaguar sport 2001 **** taylor