Jaguar S-Type - Popular Questions, Answers, Tips & Manuals - Page 5

Is it still not starting if not then you might have triggered theft detterant system which can be turned off with reprogramming of ignition module. Did you recently have any work done to ignition ignition switch or key switch there is usually a way you can bypass it

Fix your problem right away, by clicking the link Jaguar type 1999 2000 2001 2002 2003 Workshop Service Manual

may be a camshaft chain problem your aj26 or aj27 engine is prone to broken chain tensioner/guide problems they are plastic you need to go to a speciaist jag/engine person . good luck

check for air hydroc throwout bearing

my suggestions is to reboot the system by disconnecting your battery for a few minutes an reconnecting it.it might take care of it .

the following links can assist you with causes and repair P0420 Catalyst System Efficiency Below Threshold https://www.autocodes.com/p0420.html P0420 OBD II Trouble Code

the most likely cause is the dual control valve in the cooling system and/or the wiring to it. you can change the settings back to the origional settings using the touch screen or the dash switches . @ your model/year there was a factory fix which was about changing the servo motors on the climate control unit for that problem.you may need to take to a jag dealer. but first make sure the outside temp is reading ok on the dispay that can also cause that prob if its gone faulty

more than likely it need ignition coils. coils coils coils on s types!!! good luck.

S type jaag ?? yes immobilisor ,disconnect battery join leads together ,leave for ten mins while you have a cuppa then reconnect battery and it will start .leads must be joined though not just disconnected

the water heater control valves are front right down low behind the radiator and are electricaly operated ,the AC pipe that runs under the engine but above the sub frame could be corroded out as this is a common fault with these cars ,also the electrical solonoids that shut off the heaters can corrode up as well but i have known them to stick open.

the stype does not have ignition amplifirers the on plug coils are controlled by the power controle module [pcm] loated under the climate intake box and is prone to water ingress.but there are a coil suppressor capacitor on the back of the cylinder heads which can go short to ground. what is the problem you have?

coils coils coils!!!s type jags always need ignition coils!!

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In order to help you I would need the contro system read for fault codes and go from there.

put on high beam and check where the power is not getting to it could be high beam relay/s or light switch problem

if u havent had it serviced for a while then its likely that a filter is cloged, time for a service.

your car have a soon roof ? check if safe close

sounds like you have a auto gearbox fluid leak and is running low on fluid needs topping up and the leak fixed try and locate the leak area if its under the box and its a mercedes unit the wiring connector seals are favorite if its a zf box the prob with fluid leaks are not norm a problem unless the oil cooler has been damaged by a stone chip its behind the front bumper liner but which either way the fluid is more than likely low if you keep driving it you may damage the gearbox

You have plastic gears in the roof mech that tend to chip and break over time. Take plenty of photos as you go and take your time. Im sure you will be able to find a solution .

Sounds like traction lock in the differential is engaged. Try having the oil changed with the friction modifier additive. A bad speed sensor will affect locking and unlocking function. damage to friction plates will occur if not corrected.