Anyone had this happen? I suddenly noticed it was on zero with no reserve. Went to the station, put in 6 gallons to fill the tank and set Trip A. I tend to average 24-26 mpg, so I plan to keep an eye on it that way, but what a pain. Everything else seems to work.

Anyone had this problem? What do you recommend? It holds 20 gallons so I should be safe on 400 miles between tanks right? Your help is appreciated.

 

As I understand it, the X350 XJ's have two redundant fuel pumps, and when one of them fails, it will exhibit the behavior you describe. Check for this first.

As much as of a pain seeing Empty on the fuel gauge may be, imagine how much more of a pain it would be if you only had one fuel pump and that failed!

Eric

 

I don't know which X350 the OP has but I think that what you have said is only true for the XJR. The XJ8 only has one pump.

There are also a couple of small jet pumps though which are used to move fuel over the hump of the saddle in the fuel tank.

 

Happened to me, turns out there are 2 senders and one pump on the X350. One of the senders is integrated into the pump and that was the one that failed on my car, a $800 fix.

- Tim

 

mine just started exhibiting this behavior last ngiht, btu soemtimes when i turn car off and on it will start reading. how do I find out what's happenein.g