Audi A5: Won’t Start When Cold → Diagnosis

Extreme weather can be very difficult on your Audi A5.  If there is an issue it often make itself known when conditions are at their worst.  When it’s extremely hot. it’s the cooling system that is put to the test.  In the winter, the vehicle won’t start when it is cold.   There are a … Read more

Audi A5:  Bad Timing Belt or Chain Symptoms

A bad timing belt or timing chain can be a serious issue.  If it jumps a tooth or breaks entirely, it can lead to permanent engine damage.  Knowing the symptoms of a bad timing belt or chain is vital so this doesn’t happen to your Audi A5. Timing belts are made out of rubber and … Read more

Audi A5: Key Stuck in Ignition → Diagnosis

There are a few easy to fix reasons why your Audi A5’s key might get stuck in the ignition.  It’s often easy to unstick the key.  Whatever you do, don’t start trying to rip it out of the ignition.  That can cause bigger problems. This article is written with the assumption that your key is … Read more

Audi A5 Steering Wheel Hard to Turn: Common Causes

If your Audi A5’s steering wheel is hard to turn, it’s almost always going to be caused by an issue with the power steering system.  But there can be other causes as well. Your car’s power steering system is responsible for taking energy from the engine, converting it to hydraulic pressure, and using that pressure … Read more

Audi A5:  Blue Smoke → Causes & Diagnosis

  A very common problem that affects all vehicles (including the Audi A5) is blue smoke coming from the exhaust.  Reasons for blue exhaust smoke include bad valve seals, valve train wear in general, the PCV valve, burning transmission fluid and more. Blue smoke indicates that your A5’s engine is burning oil.  The question is … Read more

Audi A5 Whining Sound: Identification + How to Fix

If your Audi A5 is experiencing a whining noise, determining where and when the noise is happening is coming from is key to diagnosing and tracking down the cause.   With that in mind, this page is divided by when you hear the whining noise and common causes under those conditions. Is the whining noise … Read more

Audi A5 Airbag Light:  Meaning + How to Fix

When you start your Audi A5, the airbag module runs a self-diagnostic check on all its major systems.  If any of these checks fail, you will see an airbag warning light on the dashboard.   Depending on the model year and what country you happen to be in, you may get something along the lines of … Read more

Audi A5 Smells Like Gas Diagnosis (5 Main Causes)

If your Audi A5 smells like gas, it may indicate a serious issue. It would be best to treat your car as though you have a fuel leak (don’t drive it) until you know there isn’t one.   A bad gas cap typically causes the smell of gas, the evaporative emissions system leaking, overfilling the … Read more

Audi A5 Battery Draining:  Causes + Diagnosis

If your Audi A5’s battery is draining, it’s something that’ll need addressing right away.  If it is draining while your A5 isn’t running, something is drawing current that shouldn’t be. If the battery drains while driving, there’s likely an issue with your car’s alternator. The two primary causes for a battery to deplete are parasitic … Read more

Audi A5 Won’t Accelerate: Causes + How to Fix

If your Audi A5 won’t accelerate, that is a serious cause for concern.   If your check engine light is on, get a code scanner and see what trouble codes are stored in the PCM (powertrain control module).  They can provide valuable insight as to what the problem may be and help you narrow down … Read more