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XJ8

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Performance restriction

Based on the symptoms you're having, I would recommend having your vehicle inspected by a qualified professional with a check engine light is on inspection. This will be able to determine the exact cause of this issue. Consider YourMechanic as...

Coolant leak.

A cooling system pressure test using dedicated equipment will be able to pinpoint the location of your coolant leak. Running a vehicle low on coolant can cause it to overheat, resulting in extensive engine damage. My best advise is to...

1999 Jaguar xj8 is on safe mode and doesn't start

This particular sequence, "stability control fail and engine safemode" has been previously reported and in some instances has been traced to a defective throttle body, ABS module and/or brake light switch. However, those are just some of the possibilities. Initially,...

How many control arm bushings are needed on 2008 XJ8 front suspension?

You will have two inner bushings for each control arm and one outer ball joint for each arm. You have upper and lower control arms.

My 2005 jag xj8 is leaking oil from underneath. I've been told it is front engine seal. How much to repair?

That is a common leak point, although keep in mind, on older engines there can easily be multiple leak points. Sometimes the front crankshaft seal will actually cut a groove in the sealing surface on the harmonic balancer. If a...

2004 jag xj8 4.2 v8 auto trans 5spd had trans fluid leak. lost approx 6qts. repaired leak and filled per instructions on alldata w

The two codes, P0736 (https://www.yourmechanic.com/article/p0736-obd-ii-trouble-code-reverse-incorrect-gear-ratio-by-valerie-johnston) and P0730 (https://www.yourmechanic.com/article/p0730-obd-ii-trouble-code-incorrect-gear-ratio-by-ian-swan) overlap to some extent insofar as possible faults. If the transmission fluid got really low, the transmission might have overheated with several consequences: burnt fluid; mechanical damage, case/part distortion, damage to hydraulic...

P0175 p0101

Check the fuel injectors and see if they are leaking and not atomizing properly. The injectors could be working fine but dripping instead of spraying. I recommend performing a injection cleaning on the engine to see if the injectors will...

my transmission is "slipping" 3% of the time

Hello. From what you describe, it would appear that your transmission is beginning to slip (https://www.yourmechanic.com/services/gears-slipping-when-accelerating-inspection). This can be caused by many things. The first thing I would do is check the vehicle's transmission. Automatic transmission use fluid pressure to...

My 98 Jaguar xj8l won't start, clicking noise

This could be caused by a few things on your 1998 Jaguar XJ8. A low battery charge can cause this. If the battery is good, then listen for where the noise is coming from. If you get a click from...

Replaced throttle gasket, fuel pump, throttle body, & inertia switch

Hey thanks for writing in about your 2005 Jaguar XJ8. All the problems you've had is common with these vehicles as they age. You should not have any more than normal repairs with this vehicle. The fuel pump replacement (https://www.yourmechanic.com/services/fuel-pump-replacement)...

Sunroof leaking

The sun roof on this car does not have any problems that stand out causing a leak on the car. The seals around the sunroof may be dried out or damaged. I recommend you have a qualified mechanic, from YourMechanic,...

I Have a 2004 Jaguar That I can not push when I put it in neutral, the parking brake is off? What to do?

Hi B. Thanks for contacting us tonight. Since you've just purchased this vehicle, it's probably best to have a professional mechanic complete a detailed inspection (https://www.yourmechanic.com/services/pre-purchase-car-inspection), since there are several trouble issues apparently with your Jaguar. It might be best...

It only cools when driving over 30 mph than its like a heater its a 2004 jaguar

When your car is moving there is lots of air flow over the condenser (the heat exchanger in front of the radiator) and that airflow is essential to proper a/c system operation. To maintain good airflow when the car is...

My 2006 XJ8 billows lots of smoke under heavy acceleration. The problem is intermittent and does not burn oil all the time. But wh

Hi there. Typically when you have a lot of smoke coming from the exhaust upon acceleration, it's an indication of piston rings that have worn out and require replacement. However, it is also possible that a failure of an oil...

My gas gauge is always on empty it does not register when I fill my tank up.

This is a problem likely related to your fuel tank sending unit. The fuel gauge sending unit (https://www.yourmechanic.com/services/fuel-gauge-sender-replacement) is a small float type component (or sensor) inside your fuel tank that measures the level of the fuel inside the tank....

Air conditioning and heater will turn on sometimes.

Check the wiring from the motor switch to the a/c and heating selection. Either the wiring is loose and is moving around causing the system to not operate properly or the switch has failed. If you need further assistance with...

My Jaguar XJ8 is running extremely rough

Being that your car is running better with the MAF disconnected, I say replace your MAF (https://www.yourmechanic.com/services/mass-airflow-sensor-replacement). Most cars would shut off without the MAF connected. If you need a technician to scope out the problem in person, a certified...

Temp. Gauge doesn't move

No, signal on the instrument cluster concerning the engine temperature usually points to no signal coming from the coolant temperature sensor. This can be caused by a broken wire (https://www.yourmechanic.com/services/fuse-replacement) along the circuit, loose connection, or failed temperature sensor (https://www.yourmechanic.com/services/coolant-temperature-switch-sensor-replacement)....

Car whines between 30 and 70 mph

Hey there, thanks for writing in about your 2004 Jaguar XJ8. If you are getting a noise in the vehicle only between certain speeds, then you may have a transmission needle bearing or something like that in the transmission that...

Brakes, transmission, starter, & catalytic converter replaced, but not fixed

The exhaust would need to have been removed when the transmission was done and may have been installed back on incorrectly or is misaligned causing the popping noise. A popping noise is usually due to a leak in the exhaust...

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