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V8-4.2L

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My Jaguar XJ8 is running extremely rough
Being that your car is running better with the MAF disconnected, I say replace your MAF. Most cars would shut off without the MAF connected. If you need a technician to scope out the problem in person, a certified professional...
Question
Put in gear but car won't move
Hi there. That's an interesting concern you've described. With no codes present, verify proper transmission fluid condition, level, and type. Once you have verified the fluid type, level, and condition inspect the shift cable connector; usually located toward the rear...
Question
AC switch is working only sometimes
Hello. There are a lot of things that can cause this AC system to malfunction. The most common is low refrigerant. I always check the refrigerant level first before going any further. If the refrigerant level is fine then I...
Question
My audi smells like gasoline I read it could be a clogged fuel filter my mechanic wants to replace a plug on my fuel pump
What your mechanic says sounds more likely. There is no gasoline flowing to the turbocharger, so a flange or gasket leak is unlikely to be the cause. A leaking turbo flange would give you an exhaust leak and any odor...
Question
The HVAC is not cooling the air in the car. Fan works, but no cooling. Can this be fixed by YourMechanic?
This can happen for a number of reasons such as being low on refrigerant, a faulty AC thermostat switch or a failing AC compressor. We do currently offer services for repairs/inspections of air conditioning systems.
Question
My battery is dead, and my only key is stuck in the key slot - 2009 Jaguar XF
If you can get into the car, you are halfway there. You can temporarily power up the system through the cigarette lighter's electrical connector. There are devices available that can plug into the power socket of your car and energize...
Question
Radiator leaking some oil leaks tires and new timing belt
Hi there: If you're 2004 Volkswagen has 150,000 miles on it, and it's leaking oil and coolant, it could be caused by normal wear and tear items such as a coolant hose that has worn out and has a small...
Question
Serpentine Belt broke How do i tell if its the Altenator
A lot depends on *why *the serpentine belt broke. If the belt broke after 120,000 miles simply due to age, that's fine, but if it broke because one of the rotating elements - the tensioner, pulleys, alternator pulley, and so...
Question
Serpentine belt broke
Hello. Yes, the idler pulley and tensioner should be replaced with the serpentine belt. The bearing in the idler pulley wears out over the miles and the tensioner weakens with use as well. This is not a sign of...
Question
Exact location of thermostat.
The thermostat on the rear chain-driven 4.2 V8 is located on the drivers side front of the engine. It is located down low just above the engine oil pan in a black plastic housing. Be certain to use the correct...
Question
Engine will not engage.
If the battery is weak enough, it is possible that it may have enough power to power the gauges in the dash, but not enough to engage the starter. This may also be related to a bad ground connection at...
Question
How do you get access to replace the O2 sensors on a Audi A6 4.2 engine? There does not appear to be any room?
Hello. In order to remove the oxygen sensors, you will likely need an offset oxygen sensor wrench. An offset oxygen sensor wrench will be compact enough to fit into low clearances but still provide enough torque to break the sensors...
Question
Multiople Misfire at almost all cylinders all at once no warning with codes
If you have a multiple misfire, the camshaft tensioners would not be the first place I would look for trouble. I would first check for air leaks and then carefully check the fuel and ignition systems. Camshaft tensioners usually manifest...
Question
Funny rotten egg smell inside the car.
This may be related to the inside cabin filter. As you may know, your car has a cabin filter that works much like the engine air filter for your car does. As the air vents circulate air in from the...
Question
Cars making a clicking noise but won't start
Hi there. Typically a clicking sound that occurs when you try to start your vehicle is an indication of a broken starter or starter relay. However, this could also be an indicator of a battery that has lost cranking amps...
Question
I am thinking of buying a Touareg. I have always been a Toyota person. What do think?
Hi there. When it comes to buying a vehicle, you need to look at what you are wanting to achieve with the vehicle and also to determine what you budget is. First, ask yourself if the vehicle is big enough...
Question
p0303, p1313, p0420. codes come up. no flashing and now signs. what do I do?
Hi there. Sounds like there are a few things going on. First the code P1313 means that the timing chain has jumped a tooth making the camshaft and crankshaft out of sync. The chain tensioner may need replaced if it...
Question
When I hit a little bump or pot hole on my right passenger front side, it feels like it skids a bit
The A6 has some pretty large bushings in the lower control arms. Especially the ones toward the rear of the arm. When those bushings wear out, the rear of the control arm can flop around quite a bit, changing all...
Question
When you change the front wheel bearings on a 2004 wv Touareg , what else needs to be done
Hi there: Sometimes mechanics get a diagnosis incorrect. It's possible that the wheel bearings were faulty; but not the source of the noise you're hearing. It's also very common for some inexperienced mechanics to improperly clean the center hub and...
Question
car works fin engine light on code P0172
Hi there: The error code you're referring P0172 indicates that there is too much gasoline being detected in the exhaust gases exiting the combustion chamber. The ECU uses a number of instruments, such as the mass air flow sensor (MAF),...

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