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V8-4.2L

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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...
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Window not rolling up or down
Hello. The most common cause of a window not working is a bad window regulator. Though in some cases it will be the window switch, fuse, or window motor at fault. I strongly suggest having one of our professionally trained...
Question
Transmission slipping only in reverse
What a technician would do is first check the level and condition of the transmission fluid on your 2001 Audi A8 Quattro. Next, they would use a Volkswagen-compatable scan tool which will allow the Transmission Control Module (TCM) to be...
Question
Need to start my car after sitting for a year.
The recommendations for putting the car back into service is to remove and replace the old fuel in the fuel tank. Replace the fuel filter. Charge and test the battery and replace if needed. Change the oil and filter after...
Question
Engine misfiring.
A misfire can be caused by a lot of things, from a worn spark plug to an internal engine problem. The first step is to retrieve the diagnostic codes associated with the check engine light. These codes will provide a...
Question
Engine misfire
Engine misfires can be caused by many different problems and are generally caused by either a spark or fuel issue or in some cases, a combination of both. Spark related problems generally will result from things like ignition coils, crankshaft...
Question
Coolant leaking
Hello! The easiest way to locate a coolant leak is to have the cooling system pressure tested, which can be performed when the engine is cold. The failed component would most likely be the coolant pump; it's usually good practice...
Question
Check Engine light on
If the Check Engine light came on in relation to the fuel cap being replaced, then that means it may not be a fuel cap related problem. I would recommend having the vehicle scanned for trouble codes by a knowledgable...
Question
Car idling high
The problem you are experiencing may be the vacuum modulator leaking in the transmission. The vacuum leak will cause the engine to idle high and the transmission will not shift correctly. The vehicle should be tested for any problems with...
Question
Car idles high
The main cause of this model car running rough is the ignition coil. Normally, a misfire code will be generated and can be found by connecting a scanner tool to the cars OBD2 port and performing a scan. I would...
Question
Manual transmission; car acts as if clutch is always pressed; can start, wont put any power to wheels, can shift gears easy.
If the clutch is not engaging a major component has failed such as the pressure plate, diaphragm spring or possibly input shaft components which have splines on them. Although a mechanic will perform some initial checks to rule out simpler...
Question
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, since there are several trouble issues apparently with your Jaguar. It might be best to...
Question
I have a Audi 2007 q7 and my epic light is on and my cars shakes a little while driving and idling a little what could I.t be
You will need to have the computer tested to find out what codes are stored in memory and then have those codes tested to find out why the check engine light and EPC light is on. A mechanic like one...
Question
1988 mercedes 420sel how do you self diagnostic check check engine light is on continually in the car
If the vehicle has an 8 (or 16) pin data connector, you can use a reader and refer to a MB Fault Code Manual for Model Years 1988-1997. The blinking codes are also documented in the Factory Service Manual (copies...
Question
Air suspension failure due to damaged components?
Hello, thank you for writing in. The only component that should be in that area is the air suspension strut itself, its sensor, and its electrical connections. Due the the damage being electrical, its possible you have tampered with that...
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Massive vibration after 40 mph or once I go from 4th to 5th gear.
Hi Darryl. Thanks for contacting us today. Generally speaking, a single cylinder misfire will gradually create a steady vibration, but not stop when you're accelerating. The type of vibration you're describing is often caused by a transmission or engine mount,...
Question
check engine light is on and gas light is flashing on my 1998 s420 mercedes Benz
Hi Jesse. Thanks for contacting us today. In most cases, a faulty gas cap or one that is not screwed on tight will cause the gas light and check engine light to illuminate. it's also possible that one of the...
Question
When I rev my engine it chokes starting around 4k rpm when I drive the car the problem doesnt happen. only when reved
It sounds like you may have a fuel supply problem in getting the proper amount of fuel to the fuel injectors. As you know, when you turn the key to on, the fuel pump is activated and the fuel system...
Question
What are FUCA Bushings? I’m told the Rearward and Forward are worn and need replacing...?
From the description you give FUCA means front upper control arm bushings. The control arm has a front and rearward bushing.
Question
I have a 2008 Audi A6 every time I start the car up it says parking brake malfunction n headlight range control defective
It sounds like there are two separate issues with the vehicle. As for the headlights, I would recommend having this issue inspected and diagnosed by a certified professional who specializes in electrical issues such as that. As for the parking...

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