Audi TT: Bad MAF Sensor → Symptoms & Causes

  The mass airflow sensor (commonly abbreviated to MAF) is one of the most important engine management sensors.  A bad mass airflow sensor can leave your Audi TT’s engine running rough, or even inoperable. A MAF sensor measures the density of the air entering the intake manifold.  It passes this information onto your TT’s ECU. … Read more

Audi TT Speedometer Not Working: Causes + How to Fix

One of the most inconvenient things that can happen to your Audi TT is when the speedometer stops working.  You don’t realize how much you look at the thing until it’s always sitting at 0 MPH while driving down the road.   If your car’s speedometer is not working, it’s usually caused by an issue with … Read more

Audi TT AC Not Cooling:  Why and How to Fix

One of the most inconvenient vehicular problems is when the A/C won’t blow cold air. If your Audi TT isn’t keeping you cool, we’ve outlined some of the most common reasons why this might be happening. It is entirely possible for your TT’s heater to work just fine even when the air conditioner is blowing … Read more

Audi TT Bad Fuel Injector: Symptoms, Diagnosis, How to Fix

Fuel injectors can go the life of a modern vehicle with little to no trouble at all.  That being said, bad fuel injectors are one of the more common issues that happen to any vehicle (Audi TT included).   There’s always more than one fuel injector, and even one going bad is enough to make … Read more

Audi TT: Brakes Grinding  → Causes & Diagnosis

  One of the most common problems with the Audi TT (or any vehicle) is when the brakes are grinding.  The number one cause of grinding brakes is going to be brake pads that have worn all of their friction material off.  But, there are other causes as well. Your Audi TT is always going … Read more

Audi TT’s Steering Wheel Shaking: Every Reason Why

If your Audi TT’s steering wheel is shaking, you should deal with it immediately. A shaking steering wheel in the Audi TT is caused by anything from the wheels and tires through the suspension (ball joints, tie rods, etc.) to the braking system.  We’ll start with the easiest things to check and move towards things … Read more

Audi TT: Bad Coil Packs → Symptoms and Diagnosis

  Bad Coil Packs are one of the more problematic ignition issues that can occur with the Audi TT.  A bad oil pack can make your TT almost un-drivable.  Or it may have little effect at all on the engine’s ability to run.  It’ll get worse as they lose their ability to fire the spark plugs. … Read more

Audi TT Not Starting: Causes + How to Fix

If your Audi TT doesn’t start, you’ve found the right article.  Many different issues can cause the problem.  We cover all the likely ones in an order that makes sense when diagnosing the issue at home. This article is written with the assumption that you are looking for a way to get your Audi TT … Read more

Audi TT Bad Fuel Pump: Symptoms, Causes, + Diagnosis

A bad fuel pump can cause a myriad of problems for your Audi TT, making it essential to be aware of the warning signs that indicate trouble. Your fuel pump is responsible for pushing fuel from your car’s fuel tank to the engine, but when it starts to fail, your engine may suffer run rough, … Read more

Audi TT: Bad Alternator → Symptoms & Diagnosis

A bad alternator can leave your Audi TT without power and unable to move.  Alternators don’t always go bad in the exact same way.  We’ll cover the symptoms of when an alternator goes bad, and how to diagnose a bad one (which is really pretty easy).   How Your TT’s Alternator Works The alternator’s job … Read more