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V6-2.7L Turbo

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Question
Misfire on cylinders 1&4
It sounds like it could be the harness and simply disturbing it by swapping connectors eliminated cylinder #1 from misfiring, for now. Having owned a few VAG products and having many friends with them, you might want to try a...
Question
Car floods, have to pull fuel pump fuse to start
Hello. If your car is throwing over 20 codes, then I would stop driving the vehicle and have it serviced as soon as possible. That many codes at once is a potential indicator of a serious issue, even if the...
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Does not shift properly
Hi and thanks for contacting YourMechanic. Sounds like the synchros inside the transmission are going out. The synchros keep the gears locked together when driving and also allow a driver to shift the gear when the clutch is disengaged. Try...
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My car is being serviced and the mechanic just advised me that my brake pedal goes all the way to the floor,
Hey there. You may have a brake leak or be low on brake fluid. However, if you are low on fluid, you may have a leak. Brake fluid does not go anywhere therefore is should never get low or become...
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Coolant fan runs continuously? What can it be?
Hello. Most of the time on this vehicle the issue is caused by a failure in the fan control module. It typically has an internal short that causes this. I usually test the circuit to make sure that the computer...
Question
cylinder 3 and 4 misfire
Hi there. Check the spark plugs to see if they have burn spots on them. Switch them out with cylinders that are firing. If the other cylinders do not fire now, then the spark plugs need replaced. If the same...
Question
Draining the coolant on my car
Hi there. Flushing the radiator and coolant system used to be a rather simple job. However, one issue you're going to have with your 2004 Audi is with priming the coolant system while you're filling it up. If it's not...
Question
Clutch 2001 Audi S4
Hello - there are several possible causes of the clutch slippage you are experiencing. If incorrect clutch components were installed, the clutch pressure plate may not be fully clamping on the clutch disc - allowing slippage. The pressure plate may...
Question
Hazard light staying on
Hello. From what you describe, it would appear that your vehicle may be experiencing issues with the hazard button. If the button is buzzing and causing the lights to malfunction that may be an indicator that it is sticking, or...
Question
How much for new clutch
Hello. There are multiple components that make up the clutch system; any of them could be the source of your slipping issues. Due to this, it's best to have a professional mobile mechanic come to your location and complete a...
Question
Cars is Cranking but Not starting!
Hi there. If the fuel pump is humming, then it is working. Most likely what happened is the junk in the fuel tank got picked up by the fuel pump and plugged up the fuel system. I recommend putting in...
Question
Car shutting off
It is possible that you could be having an issue with your alternator. If your alternator is not functioning properly, all the electronics in your vehicle will run off the battery. If this happens, the battery will eventually die. I...
Question
when placing gear shifter in reverse I hear a pop/knock.
Hello. A popping / clunking noise when moving in reverse can be caused by many things. Two of the most common causes for those symptoms are worn axles or motor mounts. The axles are the joints that transmit power from...
Question
What's the price for the replacement of two rear oxygen sensors for the A6 2.7?
Billing question sent to CS for the price to replace the two rear oxygen sensors on a Audi A6 Quattro Turbo V6-2.7L.
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Is it bad to use green coolant on an Audi ? 2004 Audi A6 Quattro
Hello - perhaps a better way to say it would be "less optimal" - water being the worst. The Audi coolant, one of the "low phosphate" coolant variety, allows longer service intervals in all aluminum component systems. Best to stick...
Question
Slight white smoke coming from the engine
If there is underhood smoke, that can signify that something is leaking. Typically, that will be engine coolant or engine oil. Some leaks can be relatively easy to fix. If that is your circumstance, it will be advantageous to get...
Question
Loud noise at 20-40mph
Hello. It is likely one of the plastic panels under your car making the dragging noise. The plastic panels I suspect are the wheel well covers and the splash guard underneath the car. One of them could be dragging or...
Question
Can a bad alignment cause a loud noise when driving and stop when turning wheel ?
If the noise did not start until after the alignment was done then you need to return to see if they left something loose or have an explanation for the noise. If you had a tire rotation then a tire...
Question
I just bought this car and engine code came up for the camshaft sensor bank 1
Hello there. The type of acceleration problems you're describing are often caused by fuel system restrictions or issues with ignition system components that are not firing correctly. The issue with oil in the spark plug holes can cause this problem...
Question
Engine light blinking and the oil light come on. Accelerates slow but when you get to about 30 mph it smooth out. Then when you slow down it start shake.
For the cylinder that has excessive oil in it, the oil is either coming in for the piston rings being worn or the valve guide is leaking on the intake valve causing the engine to consume the oil. If the...

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