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Jaguar XJ-Series Electrical Glitches

69 messages,  Last post on Aug 24, 2009 at 8:17 AM

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What is this discussion about? Jaguar XJ-Series, Jaguar XJR, Sedan

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#50 of 69 Re: 2000 xj8, power window problems [wenby] by realliferambo Apr 01, 2009 (12:26 pm)
Replying to: wenby (Mar 31, 2009 9:13 pm) out of curiosity, did he diconnecting work for you? Replies to this message: kbeerden (Apr 01, 2009 5:27 pm) wenby (Apr 01, 2009 5:40 pm)
#51 of 69 Re: 2000 xj8, power window problems [realliferambo] by kbeerden Apr 01, 2009 (5:27 pm)
Replying to: realliferambo (Apr 01, 2009 12:26 pm) realliferambo: Diconnecting battery did nothing for me,I solved my problems with changing the drivers door mondule.The correct code can be found in the trunk ,under the carpet, driver side. I tried to go cheap and buy used,Waste of money. Recommend to buy new, not cheap about $300.00. hope this helps Kenneth kbeerdenbellsouth.net
#52 of 69 Re: 2000 xj8, power window problems [realliferambo] by wenby Apr 01, 2009 (5:40 pm)
Replying to: realliferambo (Apr 01, 2009 12:26 pm) I haven't disconnecting the battery yet, with the odd things that are happening with the electrical system I'm concerned it might just cause another problem.
#53 of 69 Fuel Pump? by cdputzier Jun 05, 2009 (8:38 pm)
Friend has a 1996 xj6. Acts like the fuel pump is not working, at the same time, the radio wont work. when the radio works, the fuel pump works. Relay? Fuses to radio and fuel pump are both good. thanks Replies to this message: scottthorn (Jun 06, 2009 6:48 pm)
#54 of 69 Re: Fuel Pump? [cdputzier] by scottthorn Jun 06, 2009 (6:48 pm)
Replying to: cdputzier (Jun 05, 2009 8:38 pm) The engine is turning over, but it just won't start? I had that problem with my 98 XJ8 and thought it had to be the fuel pump. Turned out I just needed a new battery, even though it all sounded normal when trying to start. I assumed having a full-power battery is needed because of the V8, but maybe the V6 has the same quirk?
#55 of 69 Re: Air suspension Fault light [fdubois] by gas6 Jun 27, 2009 (1:58 am)
Replying to: fdubois (May 01, 2007 9:03 am) yes - mine did this once. At traffic lights the front seemed to lift slightly and then the yellow air suspension fault light came on. It stayed on until I got home when I did the usual "if all else fails restart the computer" action. ie I disconnected the battery for 20 minutes (it's in the boot under the spare wheel cover - just take the + lead off), replaced the lead and all is well - it never returned again. NB don't leave your keys in the boot when you disconnect the battery - without any power you can't open the boot lid without the key!!! and you will need to put the security code into the radio to get your sound working again - it should be in your manuals folder.
#56 of 69 Re: I am thinking of buying a Jaguar XJ8 [adoug] by gas6 Jun 27, 2009 (2:06 am)
Replying to: adoug (Oct 18, 2007 1:34 pm) super car - had one for 5 years it was purrrfect. Watch out for the ones pre 2000 - they had issues with timing chain tensioners and the nikasil bore problems - there is an engine number after which all is well, sadly I don't have this any more. Having said that, my car was a 99 and the engine was smooth and quiet and never missed a beat. Sold it at 95,000 miles. Go ahead - great car. The later 2003 onwards is even better, but watch out for paintwork bubbling on early (2003) ones.
#57 of 69 car charge/voltage question by ceekdee Jul 05, 2009 (11:58 am)
I have this strange thing happening... If I have to brake quickly to a full stop, the battery gauge drops and occasionally drops low enough to make the car die. From then on for the rest of the time I'm in the car when ever I come to a stop or slow way down for a turn the idle drops or the car dies or it turns into the limp home mode... my car is a 97 xj6 with 150,000. miles... any clues. My mechanic who is a german car specialist (who loves me and takes really good care of me, and I trust) is stumped... the voltage on the battery checks out fine. I am going on a road trip in Oct. and don't want problems... any clues?
#58 of 69 Re: 2000 xj8, power window problems [realliferambo] by jagzilla Jul 26, 2009 (5:19 pm)
Replying to: realliferambo (Mar 20, 2009 9:14 pm) Hi All,   Just registered after reading all of the posts on this topic. I have experienced most of them already on my '99 XJ8, including the headlights going out at night, and most recently the driver window not rolling down and also the sunroof closing on it's own after opening it. OK, I did have to get a locksmith to tear into the driver's door panel recently to read the key code to make a temp to open my trunk with the key left in it while at the fishing pier changing clothes. Oops! The window problem eventually corrected itself after about 3 weeks of driving with it shut surprisingly. Now I have a major problem after returning from a NC mountain river tubing excursion this past 4th. of July weekend. The car did great all the way there and back from Raleigh, and then the throttle stuck as I got in town and I had to hit the brakes real hard to get it to stop before plowing into another car at the first traffic light. Ugh! The car stalled and hasn't run since then. My now disappeared mechanic had told me a year earlier the throttle controls looked like trouble down the road and he was right. Good man, but can't find him now to deal with this situation. After walking to work for the past 2 wks. only a mile or so away, I decided to purchase a backup '97 XJR with low mileage which I will finalize on Monday. Sweet! No problems with it that I don't know about yet, but stay tuned to this channel for updates. OK, so now I was also previously wondering if disconnecting the battery cable would possibly reboot the entire computer system's monitors in case they got freaked out by the sudden stop I had to make on my '99 XJ8. I saw the fail safe mode light flash on just before it stalled in any case. It knew it was in some sort of predicament, but maybe over reacted. Any ideas or clues around here while I continue to search for a new mech to work on it?   Cheers, Jagzilla
#59 of 69 Re: XJ8L GEM module? [scottthorn] by goodkitty Aug 06, 2009 (7:51 am)
Replying to: scottthorn (Oct 26, 2008 8:03 pm) Hi, did you ever figure out what was wrong with your car. I have a simular problem myself on my 1996 XJ6, 4.0 116k miles. I tried starting it and heard a click but knothing happened at the switch. Checked the battery and found it to be low at 9.3V so I added another battery but every thing acted like it was in a low voltage mode. Installed a new battery but still no response. Guages etc. now bright but no dome, trunk or head lights. I do have little lights on at the bottom of the head lights. I then shorted the starter and car started but I couldn't take it out of park. I removed the lock pin and put in nuetral to see if it would start but nothing. Checked every fuse this car has which is crazy and they were all good. I do hear some relays clicking in the battery compartment when someone turns the switch. A real nightmare to say the least. Perhaps it's the computer I don't know. Can you offer any help?   Thanks, Goodkitty Replies to this message: LotusExige4me (Aug 06, 2009 6:58 pm) scottthorn (Aug 11, 2009 5:26 pm)

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