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Jaguar XJ8 Questions

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289
questions

I've been driving it with no problems. But one night I came home and parked. Then maybe two hours later. I came out and got in the car started it up. Went to back up and it just stop. .I tried to start it it ack like it won't ed to start but wouldn't. It's been sitting for about five months now.

I do not know what this display means. It stays on. I have no idea what to do. I just bought the car and dealer told me it was weak battery??? Is this correct? Is it safe to drive? What should I do?

My brake lights seems to have a shortage, but when I start the car and hold the brakes down, I hear a click in the gearbox and my brake lights start working

Car has only 82,000 miles.
Maintained. No problems. New tires once, new brakes, pads, etc once.
About a year ago while braking to slow down car but instead car speed increased lunging forward. Increased brake pressure & it stopped.
Never happened again until about 3 months ago & it's becoming frequent. I pulled into a parking place this week braked to park, with brake on, saw rpm' of 1 increase to 4 in a second jerking car forward with brake completely on.
Also, drivers seat airbag light signal flashes on & off intermittently, but sometimes remains on.

Front moror fan

need to replace ecm

I live in southern ca. we've had some cold nights, car is parked in garage and when start in the morning, when leaving for work the air suspension will not rise. When leaving for home they work fine.
Warning indicate: vehicle to low/ air suspension fault, check air right front tire.
If answered before end of year, use this email (nate.hutcherson@horacemann.com)
Your help is appreciated.

My gear box fault light came on and seem like the transmission is going out

Have disconnected battery to reset; was told to use key to lock & unlock door 2 times...nothing works. No engines sounds at all.

It is an 8 cyl engine with 52000 miles

I've taken the car on numerous "drive cycles" and the oxygen sensor remains "not ready." The repair shop wants to replace all oxygen sensors, I cannot afford this and it seems unnecessary. Is there anything else I can do? Is there a drive cycle specifically for a not ready oxygen sensor? (not heat sensor BTW)

I have to put steering fluid in the engine area every time a drive the car. After I go somewhere it all leaks out by the next day and I have to put more steering fluid in.

The car is all locked up, alarm on and sometime later the boot will pop open on its own Anyone know why?

what are my options. it isnt running hot but keeps dying, and when its not dying its running horrible. wont go, cant gas it, thought catalytic converter. the exhaust is not being released. cant get the bolts off myself so guess its gotta go to shop, just dont wnt to get ripped. thanks for your time

Seems to be a computer problem. Which module of the computer should I look at replacing and how much does it cost?