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A4 Quattro

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Arkansas, like many other states, has to deal with a wide range of weather, from the stifling to the icy. This means drivers need vehicles that can handle the heat while...

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Your engine is an interference engine which means that if you turn the crankshaft and/or camshafts independently of one another, with the timing chain removed, the valves will interfere with the pistons causing the valve stems to bend. The timing...
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For some reason one of my headlights looks dirtier than the other. I've tried just about everything to get it to look new again an
Hi there. Over time, many different items can cause headlights to fade. In most cases, it's a caused by debris that naturally builds up on the lens that causes it to become cloudy. In other cases, the inner seal that...
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2012 audi a4 quatro, cylinder 2 misfires
The variance in cylinder compression you are reporting exceeds that allowed in the Factory Service Manual. Put oil in the No. 2 cylinder to see if compression rises appreciably and you can then rule in or out leaks past the...
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Epc light on a 2009 audi a4 quattro centre brake light warning also wont start
Missing or malfunctioning lights will not prevent the car from starting. If the brake light switch is faulty that might prevent shifting out of Park once the car is running as the switch is part of the safety interlock to...
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So I just bought a 2009 Audi A4 Quattro, and all we did was change the oil, and the car started shaking. What could be the problem
Rough operation and loss of power on acceleration can be due to plugged fuel injectors, faulty oxygen sensors, fuel pump and/or filter, vacuum leaks, ignition system malfunctions, bad valve timing if the timing belt or chain is worn or skipped,...
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A4 B8 Quattro coding P0016 and P0299
The P0299 may be a s simple as a bad air hose, but P0016 is a big deal! It would be best if you don't attempt to start the car again until you have it checked out! The code refers...
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What oil should I use in my 04 Audi A4 3.0L V6 Quattro S Line, either 5W30 or 0W40-10W40?
Viscosities of 5W-40, 5W-30, 0W-40, and 0W-30 are all specified for your model, the main selection criteria being the ambient temperature you are operating in. If you are in Alaska, use 0W-30. If you are in the southeastern desert, use...
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I have a 2009 audi a4 2.0. Check engine light and epc light came on wont start
The warning lights means that trouble codes have been stored. Your best entree to resolving this is to download those codes although a diagnostic has to be performed insofar as the systems/components referred to in the codes. That is, the...
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Should I straight pipe because my cat is broken
I'm sorry to say, you're just going to have to bite the bullet and get new catalysts. The same thing happened to my own car just a few months back. That's usually what happens at about the mileage you have...
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2009 Audi A4 2.0t Quattro, I think the oil sensor might be bad.
The oil pressure light will usually come on when a few things could be happening. Either the motor is in fact low on oil, the oil pump could be failing or not pumping oil sufficiently or the oil pressure sending...
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If my check engine light comes on, does it limit my cars power. My codes says it’s my fuel pressure regulator
There are hundreds of individual OBD-II trouble codes any one of which can cause illumination of the check engine light. The vast majority of the codes do not reflect, or refer to, conditions that cause marked loss of vehicle power....
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Check engine light was on and now temperature gauge go hot ? i replace the thermostat but still go hot .help ?
It sounds like you may have a number of issues going on. Overheating can be caused by a number of things such as low coolant levels, a faulty thermostat, a clogged radiator or a failing coolant fan switch. As you...
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Where is the camshaft position bank 1 sensor A at?
The sensor is at the front right top of the engine beneath the large plastic engine cover. It is held on by a single T-30 torx bit machine screw. Please note that OBD-II diagnostic trouble codes, such as the code...
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Rich idle only, negative STFT
Some common causes of too much fuel being delivered in a situation like that you describe are: a faulty coolant temperature sensor (the temperature signal is a part determinant of injector pulse width); leaking fuel injector(s) allowing too much fuel...
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I am currently looking at a 2015 Audi A4 is there any way someone could come inspect it before I buy.
Inspection service is available in Hillside, NJ. To request an inspection, please schedule via YourMechanic's pre-purchase vehicle inspection service page. An inspection of the specific vehicle you want to purchase, carried out by a certified Mechanic, dispatched to your location,...
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2006 Audi A4 Quattro won't start but I cranks over and everything else works
Hi Kayla. Thanks for contacting us tonight. In most cases, when an engine will start but dies quickly, it's caused by a fuel pump relay that is shorting in and out, a mass airflow sensor that is not working correctly,...
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Alternator fault- battery not charging (2009 Audi A4 2.0T)
It's possible the alternator itself is faulty, however, there is circuity and control devices that should be ruled out as well. Alternator output can be easily tested directly to rule the alternator in or out. Also, note that for the...
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Coolant leak coming from behind the radiator
The coolant leak can only be pinpointed after an inspection but a leaking hose in that location would not be unusual. Coolant leaks can sometimes be either a cause, or a consequence, of overheating. Be sure not to drive the...
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My car started to overheat and I have to keep pulling over to cool down. Says oil pressure low and water found in the garage.
My first recommendation would be to not drive vehicle until the oil level and coolant level is checked to see if there is a problem. Then have a mechanic like one from YourMechanic come to you to check for the...
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my car doesnt recognize that the clutch is being pushed
Hi Matthew. Thanks for contacting us today. Typically when a car with a manual transmission will not start due to this problem, it is due to a failed clutch safety switch. If you'd like to request an estimate to have...

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