Audi A4 Not Shifting Gears: Causes and Fixes

The Audi A4 is a great car that can last many miles with no issue. However, like any vehicle, it can face issues and malfunctions from time to time. One such problem that can occur in the A4 is the tendency to not shift gears properly. When this happens, the first thing you should do … Read more

Audi A4 Torque Converter Shuddering Causes

Your Audi A4’s torque converter is responsible for connecting and disconnecting the engine from the transmission, transferring power smoothly. When this process fails, it can lead to torque converter shudder. Causes of shuddering can include worn torque converter clutches or the gradual application of the torque converter clutch, which may result in shuddering at varying … Read more

Audi A4 Radio Stopped Working: Causes + How to Fix

Has the radio in your Audi A4 stopped working?  If so, there are three common causes for this issue.  They are a blown fuse, loose or corroded wiring, and a problem with the radio itself. If your radio comes on but isn’t working, this article will cover that too: Please jump to the section that’s … Read more

Audi A4 Rattling Coming From Behind: Causes + Diagnosis

If you hear your Audi A4 rattling when going over bumps, this sound could be caused by various issues, from minor to more serious.  Here, we’ll explore the potential causes of the rattling sound in your car and offer possible solutions. The most common reason for a rattling noise when hitting bumps is a loose … Read more

Audi A4 Parking Brake Stuck: Causes + How to Fix

There’s nothing worse than finding out your Audi A4’s parking brake is stuck, especially when you’re ready for the day. The good news is this problem can be easily fixed with some simple steps. In this article, we’ll discuss the causes of a stuck parking brake in the Audi A4 and how to get your … Read more

Audi A4 Heater Only Works While Driving: 5 Common Causes

If your Audi A4’s heat only works when driving, there are five leading causes you should check.  They are low coolant, air pockets, a bad heater core, an airlocked cooling system, and a malfunctioning thermostat. We’ll start with the easy-to-check common problems and work our way to the harder-to-deal-with rarer issues that could be affecting … Read more

Audi A4 Flashing Check Engine Light: Diagnosis

The check engine light indicates that you need to service a vehicle soon. If your Audi A4 has a flashing check engine light means that there is a catalyst damaging misfire (it can damage the catalytic converter and O2 sensors). If your car has a flashing check engine light, it means you need to service … Read more

Audi A4 Check Engine Light On: Why and What to Do

The check engine is the most common warning light that appears in the Audi A4’s instrument cluster.  Well over half of this site’s content is related to solving the various reasons why the check engine light comes on. The good news is that the check engine light indicates that there are Diagnostic Trouble Codes (DTCs) … Read more

Audi A4 Soft Brake Pedal Causes

If your Audi A4 has a soft brake pedal, it is a sign of a serious brake system issue. It’s usually caused by air entering the system in some way through a leak.  This article covers the six most common causes of a soft brake pedal as well as a solid diagnostic order if you … Read more

Audi A4 Alarm Keeps Going Off: Causes + How to Fix

Your Audi A4’s alarm system is designed to detect potential intruders, keep its contents safe, and keep them from driving your car away. However, it is not uncommon for a car alarm to go off, or keep going off, for no apparent reason– also known as false or “nuisance alarms”.  This article will discuss some … Read more