Shifting from reverse to drive, transmission failure light came on when shifting engine raced and jerked but went forward. if driven carefully (slow) from stop runnng transmission ran smoothly for 15 miles then when stopped the engine raced and jerked again, this was a slow start but uphill. parked it for several days and saw transmission fluid leaking around seal? Does the seal need to beplaced along with filter and fluid?
Depends in the mileage since the transmission was last serviced. It sounds like low pressure from the pump. It could be just a filter. You did not say where the leaking seal is, but a leaking seal will not fix itself.
SOURCE: 2001 XJ8 Vanden Plas engine light
I've had the same problem on my 2001. It turned out to be the battery. Apparently the voltage had dropped to the point that the computer began to malfunction. I'd first go to a battery shop and have it checked under load before looking for other solutions.
SOURCE: 1997 XK8 Transmission Failure. Will 2001 XK8 transmission work
I had a similar problem with my 1997 XK8. Apparently the transmission will not last much more than 100,000 miles. You need to replace the clutch in the transmission - cost between $2,500 and $4,000.
SOURCE: 1995 jaguar xj6 stalls once you stop at the stop signs
Look for an IAC sensor (motor) Idle Air Control.
Usually located on side & front of throttle body. Not 100% sure which type you'll have but if you have pintle type (pointed end) Remove it, spray it well with throttle body cleaner as well as port it came from, and retry. If it cures it temporarily & starts to do it again, replace it.
SOURCE: Hesitation in engine
There are more than just the two causes listed by Jigsaw_9077. I also have a similar problem with my '02 Jag. s-type 4.0L. Very rarely will airflow cause a "miss-fire like" hesitation unless there is a complete blockage of airflow (such as a broken valve or something of that sort) and will most likely ALWAYS have that hesitation, just just bellow 1500rpm. Richard_drin is partially correct. Fuel can cause this hesitation and commonly at lower RPM. If there is a fuel issue, a new fuel filter or a fuel rail/fuel injector flush should help or fix the problems unless there is an electrical problem with the fuel injector or the fuel pump is bad (a fuel pump problem is normally at higher RPM). The first step to finding the actual problem (because it can be one of many) is to change the fuel filter. If the hesitation is still the same, have a mechanic check for proper fuel pressure. This shows if your fuel pump is operating correctly and your fuel lines are not obstructed. If it is determined that there may be an ignition problem, like a check engine light with a miss-fire code like mine is doing, then find the cylinder with the miss-fire and and swap the coil pack with another one that appears to be working properly. (ex. miss-fire code on cyl. 5, switch the coil pack with the one from cyl. 1 and clear the code) If (or when) the check engine light comes on again, have it scanned for the miss-fire code again. If the miss-fire is from the same coil pack, replacing the coil pack should fix the problem, if there is a miss-fire from the same cylinder as before, then you know that it's some other ignition problem. Now you have narrowed your problem greatly, and haven't spent any money on a mechanic (or parts if do the work on your own car like myself). This is where I am at with my car right now, but I have not yet found the solution yet. When I find it, I will update to give you more info and save you from paying a mechanic for doing all of this research for you.
SOURCE: My 2000 Jaguar XJ8 has several different warning
42 miles with a jaguar. First I love Jaguars. Youll get to your home by a tow truck. The car is talking to you say its sick.Here is what will happen, The TRAC, ASC, light is on okay the APP will now go to limp home mode what this mean it will default giving limited operations, youll probable just go 30mph, and that is just it. The transmission does not know what gear or how fast its going so it communicates to the powertrain it tell it I dont know what Im doing so it activates the traction control and say keep me safe the traction control say okay Ill get disable, then the transmission control tell the powertrain I could be burning up or slipping. So The APP(acclerator pedal position ) gets involved and say we will just limp on home.Remeber i love juguars so does tow trucks
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