Jaguar 1998 XJ8 Vanden Plas Logo

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Anonymous Posted on Dec 04, 2017

My 98 jaguar vanden plas starts but the shuts off.What could it be?

Won't start unless I use charger..Battery prob low.When it does start it only runs for2,3,seconds and then shuts off.Had fuel pump replaced approx 2 years ago.I dont drive it much.I am original owner and car has 20K miles.I hate to have it towed to dealership.Last time (fuel pump)it cost 1600. Any ideas appreciated.

1 Answer

Dave Hawthorne

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  • Posted on Dec 04, 2017
Dave Hawthorne
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I have a suggestion for you to pursue.
This is not specific to your Jag, but any car with the
symptoms you described. When the engine starts it needs
the battery to crank the starter motor and to power the ignition system. Once it's running, the alternator provides
the power to run everything. If the battery is weak and
only good enough to get things started, but the alternator
is not powering the system, the weak battery dies within
seconds as the ignition system drains it down.
( Thus - the ignition dies.) Put a volt meter across your
battery terminals while cranking & with engine running.
If it doesn't read over 12 volts ( engine running ) you
might look into a charging system problem!
That would also explain the weak battery - no charging.
Otherwise, suspect a bad fuel pump. I've had new
replacements fail on me right away. Some auto parts
are just poor quality and don't last. How to know?

5 Related Answers

Anonymous

  • 100 Answers
  • Posted on Sep 19, 2008

SOURCE: 1988 Jaguar Vanden replace headlight

What you need to do is remove the 2 screws on the top bezel from inside the engine bay, then underneath the outer corner of the plastic headlamp surround there is a philips screw, (put your head under neath car near from wheel) loosen the screw, do not remove it, now the headlamp plastic bezel/surround will come free enough so you can get a philips screwdriver in through the middle of the headlamp surround, there is a chrome retaining ring holding the headlamp in place, loosen the 3 philips screws (do not remove) The retaining ring will rotate and you can slide the ring out from the outer edge of the headlamp surround. The headlamp will then come out throught the middle of the surround, disconnect the 3 pin multiplug and reverse process for install.

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Anonymous

  • 3 Answers
  • Posted on Mar 25, 2009

SOURCE: 1998 jaquar vanden plas won't start

The early V8s were bad to flood out. Try holding foot all the way down to floor when cranking.(This tells on board computer to shut off fuel while cranking) Crank like this for at least 45 seconds. Repeat this two or three times. The next time, while cranking, take your foot off the pedal for just a second, then back to the floor. These gives it just a little bit of fuel. Do this for five minutes or so. If it is flooded, you will hear that the longer you do this, the more the car sounds like it will run. If it catches, hold gas pedal half way down while running. This will clear the raw gas out of the system. If this doesnt work, in the trunk fuse box(take cover off) is a row of relays(brown 1 inch squares) in a "T" configuration beside fuses. Tap on them or swap them around. They are bad to stick. The second relay down in the center of the T should be the fuel pump relay. If these suggestions don't work, I would advise calling the dealer. But these are the most common faults. Good luck!

Mark Glawdecki

  • 82 Answers
  • Posted on Oct 24, 2009

SOURCE: 1989 Jaguar Vanden Plas. Stalling on longer journeys

Fuel pump...change the fuel filter at the same time....

m_vickery

Merv Vickery

  • 37 Answers
  • Posted on May 08, 2011

SOURCE: I have a 1983 Jaguar

Hi,it certainly sounds like a fuse for the fuel pump ,or its the fuel pump itself ,the only other thing i would check is the fuel filter that may be blocked ,it will be 1 of the above ,i would check the fuse 1st ,then the filter 2nd ,and pull off the fuel line connected to the filter and have someone turn the key to start and access wether you have fuel pumping out ,it should squirt out violently if the fuel pumps working properly.Please point the fuel hose into a bottle while doing this test to minimise fire danger .THANK YOU for using FixYa

cansmo

Reynaldo Andico

  • 2431 Answers
  • Posted on Aug 21, 2011

SOURCE: I have a 2002 jaguar

The red light is for warning the amber is for caution so your caution light is on thats the amber the amber is reserved for local market like brake pads,oil change,or abs that affects steering stability, The information is exclusive only your driver handbook will define it

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Iā€™m happy to assist further over the phone at https://www.6ya.com/expert/ramy_d9e7ebea3891f482

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