Question about 2003 Jaguar Xkr

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My 1997 XJR wont rev above 3000rpm in top gear. Please help

My 4.0L 6cyl xjr will not rev over 3000rpm in top gear. The throttle peddle seems to fight against your foot pushing your foot off the peddle. When the car is in neutral, there are no problems. The car is struggling to get revs when travelling at speed. When you are going slow there are no problems, It revs up through the gears without fault.

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Posted on Jan 02, 2017

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SOURCE: 2002 xjr 100 radio will not power after battery change

If the battery went dead and you charged it, you need to reboot the system. It has lost them function of radio.
Disconnect both side of the battery and with the battery disconnected, crank the car 3-4 times (This just discharges the computers). Then reconnect the battery cables (pos + first) and you should have a working radio again.

Posted on Oct 15, 2008

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SOURCE: locating the fuel filter for a 1997 jaguar xjr

The fuel filter is under the car, and above and to the left of the rear axle  D 

Posted on Jan 15, 2009

  • 1 Answer

SOURCE: 01' Jaguar XJR Starter location?

If you get just a click you should first check battery charge and all battery connections. The click is probably the solenoid kicking in but without enough battery to turn over the engine.

Posted on Jun 17, 2009

  • 44 Answers

SOURCE: My 2004 Jaguar XJR heats up spiratically. One day

First suspect would be cooling fan controller. Big silver unit close to main fans. To check correct fan operation, leave it idling for a while, (best to do this test after it has had a run) and fully warm, then check both fans run up - they should go really hard after a while, the air flow will gradually increase to try to maintain a constant temperature. If they just run at a single speed, suspect controller, if only one runs, then the other fan or controller has failed (put multimeter across fan terminals to see which it is). Another possibility would be air lock in cooling system, these models are not prone to this, but it is a possibility, undo water pressure cap and make sure you fill until water is spilling down overflow tube, keep going for another pint or so, quickly put the cap on whilst water is still flowing down the tube. There is a second container at the front where excess coolant is dumped and returned when cold. If this is not primed, you can sometimes get a small vapour lock which can cause problems. Less likely is thermostat, these tend to fail in a predictable way, but thought I should mention it if all else fails.

Posted on Aug 01, 2009

SOURCE: xjr won't rev over 3000rpm in neutral, is this

Yes this is very normal as most of new cars has that safety measure so that you can not put rev very high in stand still , to protest the engine , that is why it has an ECU lock for that, VERY NORMAL

Posted on Aug 13, 2009

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