thanks to all the members who tried to help with my 1986 3.6 problem !
Turns out the problem was not electrical after all, in fact the valve clearances were down to about 6mil when they should have been 13/14. the valve seats had worn down. One set of shims and she runs like a dream.
thanks again
jim

thanks, but we tried a working aav, the problem remained. I can only hope that the electric specialist finds the fault. The jag specialist says that he has never seen this problem before and is stumped. Soon,I will try making sacrifices to the aztec jaguar god.
jim

hi, the fuel, vacuum, tests all come out ok. the specialists have replaced every part from a running engine and nothing makes any diference. their theory is that I have a wiring problem which causes the intermittant fault. will be handing her over to a specialist electrical company to have the entir...

hi, my 3.6, 85, manual, twr has a weird problem that even my local specialist garage can not fix. One day she starts and runs perfectly. The next day she floods as soon as you turn the key and will not start, even when you dry the plugs etc. We have replaced just about every part/sensor in the engin...

hi, I have a probem with my 1986 twr 3.6. I have replaced the ecu,fuel filter,crank sensor and temp. sensor. The engire starts instantly and runs well above 2k revs, or at any revs, once warm. However when starting from cold the engine is very lumpy at first, and ticks over at about 1k revs. Once wa...

thanks guys, i fitted a new crank position sensor ( it took 2 weeks to get the old one out without breaking it ), and blasted air through the vacuum pipe ( lots of crud and water ). The car now starts on the button and runs great, many thanks for the help
jim

I would love to get one as a spare, but I searched the jdht site and could not find the listing for any xjs rear screens

hi, i have a starting problem on my 86 3.6. I have fitted a new ecu and engine temp sensor. 3 times out of 4 the engine fires instantly, but if not it seems to flood and wont start for ages. on testing the fuel pressure it seems normal, but one test seemed to show a higher pressure ( not positive th...

hi, i`d buy these, let me know if anything progresses

hi, thanks that is a big help, and yes it is an real twr

hi, I have a twr 3.6 manual 5 speed box. leather interior. Does anybody have any details of what the price would have been when new in 1986 ?

hi, I have a twr 3.6 manual 5 speed box. leather interior. Does anybody have any details of what the price would have been when new in 1986 ?

hi, this is my first post as a new member. I have a 86 twr 3.6, I have had an aftermarket alarm/central locking/keyfob kit fitted. However as the original central locking did not include the boot, this obviously does not lock/unlock the boot. Can anyone advise me how easy/difficult/impossible it wou...