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V6-2.7L Turbo

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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
Crack in coolant reservoir
Hello! That is a common issue with Audi Quattro models. The plastic tank holds the pressure of the coolant system. The reservoir is located right above the engine. Of course the engine gets hot and hot air rises so the...
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...
Question
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...
Question
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
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
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
01 Audi A6 2.7 have a crank but no start I checked my fuses and I have no power to either of my 2 ECU fuses or my Fuel Pump fuse
Hi there. It is highly probable that you have a faulty main relay or an exposed electrical connection or bad ground to the fuse panel that is causing this issue. However, it could also be problem with the ECU itself;...
Question
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
Why won't my 2004 Audi A6 Quattro charge brand new battery??
Hello. Most of the time the issue is in the wire coming from the battery to the alternator. This small wire has a tendency to fail and have high resistance. This needs to be checked first. If that is not...
Question
After oil change - no oil registers on dip stick 2015 ford edge
Hi there. When oil is changed, the filter is removed and less than 2 oz. of residual oil will remain in oil lines and throughout the motor. When it's added and the new filter is not primed (meaning not filled...
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
Turbo oil leak cost Audi A6 Quattro 2002 twin turbo
Hi Hhh, Thank you for contacting YourMechanic! To set up the quote for the oil gasket leak for your vehicle, we need some extra information in order to get you the most up-to-date prices on parts and labor. Please...
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...
Question
Do I need to replace the whole rack and Pinnon if I found the leak
If you found the leak and the rack and pinion is leaking then you will need to replace it due to most repairs require specialized tools and training to rebuild or repair steering rack and pinions. If it pressure hose...
Question
Car sounds like it is dragging something and engine revs but not getting power when in drive
If the engine presently runs and accelerates (in park or neutral), your description, particularly of the loud noise followed by lack of movement, makes me think something has broken within the transmission or drive train. Given the marked symptoms, the...
Question
I have a 2001 Audi a6 Quattro Biturbo that got too hott driving and turned off now it wont turn back on
The status of the oxygen sensors is unrelated to the present no start. Overheating has the potential to cause head gasket leaks and valve and piston damage. You should measure cylinder compression to rule out low compression as a cause...

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