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A5

The main cause of coolant leaking from this vehicle is a crack in the radiator. If the coolant is leaking from the front of the motor, then this may be a leak in your water pump. I would suggest having...

Hello. For a sudden drop like this to occur, it usually means that a sensor it not reading correctly. I usually install a scan tool first to check things like the oxygen sensors (https://www.yourmechanic.com/services/oxygen-sensor-replacement) and the air flow meter as...

Hello. Thanks for writing in about your 2009 Audi A5 Quattro. If you are having a lean condition, then the fuel pressure needs to be checked. The most common cause of a lean code on this car is either low...

Hi there - yes, the "D" unit is an updated steering rack (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-steering-rack-gearbox) ("F" updated models are already available, so the updates continue). However, remember that this is electrically power-assisted, and there is a software component to the equation. If...

Hello. Thanks for writing in about your A5 Quattro. You need to go into test mode for the computer to reset and test the oil level. If it still cannot calculate it, then you have a bad oil level sensor...

Hello. Most of the time, this is the first indication that the timing belt is failing (https://www.yourmechanic.com/services/timing-belt-replacement). The timing belt needs to be checked to see if it is going bad. If the belt is fine, then you may have...