After storing the car for 3 months, XK8 will not start.
Here is what I know:
Getting spark
Battery is strong
No Fuel pressure
Not getting power to fuel pump relay or fuse #7.
Relay and fuse test ok.
Car cranks but no start

Could be bad pump but I would like to be sure before I buy one. I've been told that these cars have problems with fuel sensors. Being that pump is not getting power, could be an electrical problem.

Any help would be GREATLY appreciated!

-Anthony

 

Every year this time we get a rash of fuel problems as cars come out of storage. The pumps do not like sitting idle for months. I would suggest that if you could hit it with a rubber hammer it would start pumping again.

I restore old Volvo's which have an out-of-tank pump just like the in-tank one and the first thing you do is hit it and it starts pumping again until you leave it idle for a couple months.

Unfortunately, the same type pump on the Jaguar is beyond the reach of a hammer and after you have spent the time or money to get it out the only reasonable thing to do is to replace it.

 

+1. This pattern is a well known issue...and almost certainly the pump. The reason you do not see voltage at the relay is because the ECM shuts off the pump if the engine does not start to avoid flooding it.

 

If you look in the DIY stickies theres a link to test the fuel pump by jumpering the fuse / relay to see if the pump actually works... I'd try that first

 

Have you checked the inertia switch?

 

Yes, inertia switch not the issue. Next step is bypass relay to get power to pump. I suspect it's the pump but want to test before I buy one.

 

You have 2 fuses to the pump and this link will help you also for the relay swap it with another relay.

Link JagRepair.com - Jaguar Repair Information Resource

 

Newbie here, just learnin the ropes, but the more i read the more i worry bout my jag!

 

Remember, most people do not post when everything is fine...just when they have a problem.

I noticed from a previous post you have an '03. It has a different type of fuel system and this particular problem is not typical.

I suggest you put your model info in your signature so people can be as helpful as possible.

 

Yes, I have an 03 XJ8. This issue is with my 2000 XK8. Still haven't tested the pump but I suspect it's done. I will post results when i get around to pulling fuel line. Seems like an all day event!