Audi Won’t Start? Here’s Quick Solutions to the Most Common Causes

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Let's face it, we've all experienced it, you've got places to go, you get in your Audi, turn the key, and … drum roll please … nothing! Your Audi won't start up! This an extremely frustrating situation, but don't stress, we've got you covered. There are lots and lots of explanations as to why your Audi will not start, and within this article, to save you time we'll cover the most common causes as well as provide you with practical options to get your car back on the road ASAP!

If you're short of time, instead of reading, you’re always welcome to speak to a live mechanic 24×7 and get instantaneous help and guidance on finding and repairing the problem, by clicking the “ask a mechanic” button in the bottom right of this page.

Understanding the Problem

Car Won't Start?

Before we get stuck into the causes and repair options it's essential to first have a grasp of the issue. When you realize to yourself “my Audi wont start”, this could be due to various issues being wrong with your vehicle. Maybe the engine is not cranking at all, possibly it is cranking partially however then not starting, or maybe you can hear a clicking sound when you attempt to start the engine, however in the end absolutely nothing happens. Each of these annoying situations can point to various issues with your car.

Common Reasons Why Your Audi Won't Start

There are numerous reasons an Audi fails to start. These concerns usually consist of a weak or dead vehicle battery, a broken alternator, starter motor failures, fuel system complications, along with electrical or circuitry concerns. Each one of these problems can manifest as different symptoms and require separate solutions to troubleshoot and resolve, so we can get your car back on the road ASAP.

Symptoms of an Audi That Won't Start

Having the ability to identify and diagnose these symptoms, will assist you in finding the underlying cause of the problem. For example, when you turn the key in the ignition, and you hear a clicking sound but your Audi still can't start, it is often an indication that there is a problem with the fuel or ignition system.

Analysis of The Reasons Why Your Audi Won't Start

The first step to discovering a practical solution to the problem is knowing the root cause of that problem, so let's explore the most common reasons your Audi wont start.

Audi Battery Issues

Auto mechanic replacing car batteryIn the vast majority of instances, the most common reason why your Audi won't start is often because of your car battery, it's either weak or dead, and you need to either recharge the battery or replace it. The car's battery supplies the power required to start the engine, and power all the electrical parts in your Audi. Symptoms of a bad battery problem in an Audi, can be things like the car being slow to crank the engine, dim headlights, or a lit-up battery warning light on your car's dashboard.

Audi Alternator Problems

is my alternator stopping my car from starting?

The alternator is tasked with charging the battery from the engine while the vehicle is running. A defective alternator can easily prevent your Audi from starting as it wont have the ability to charge up the battery, from the engine, so it will deplete all the way down till it's totally dead and you don't realize it until you can't get your Audi to start. Signs that your Audi's alternator is faulty include a lit up battery or alternator caution light on the dash, poorly lit headlights when the engine is idling, and also a whining or grinding noise from the engine while its running.

Audi Starter Motor Failures

my car wont start is the starter motor?

When you start your Audi, the starter motor is responsible for turning the engine over (cranking it). If the starter motor is damaged in some manner then the engine is not going to crank, and your Audi can't start. You can tell if your starter motor has a problem or not usually by listening, if you hear a clicking noise when you turn the key in the ignition or a grinding noise during the startup, or your car starts up but only intermittently, then the starter motor may very well be the problem.

Audi Fuel System Complications

my car wont start but clicks

Now we're not talking about when you merely run out of gas here, but the fuel system itself having issues. Your Audi uses a combustion engine, and therefore to start and run, it needs a mix of enough fuel and air. If your Audi issues are the result of a faulty fuel system, this might be a clogged fuel filter or a broken fuel pump relay, which could mean the engine may not be getting the fuel it requires to get the car going.

Audi Electrical System or Wiring Problems

can electrics be a reason a car wont start

Modern Audi's rely greatly on electronics, which can mean there are lots of things that can potentially have an issue. Even in an older model, you can have typical issues such as blown fuses, spark plug problems, a faulty ignition switch, or a faulty sensor and more. These can be some of the many electrical explanations as to why your Audi wont get started. Indications of a wiring or electrical problem can vary greatly but can typically include the engine not cranking, or your Audi can start however just intermittently or numerous alert lights show on the dashboard. To correctly identify and repair these kinds of problems, you will need the abilities of a skilled car mechanic locally or online.

Solutions & Repair Tips

As soon as you have figured out what the reason for your Audi being unable to start is. The next step is obviously to attempt to fix it. Here are some tips for the common problems we've covered up until now.

How to Troubleshoot and Fix Battery Issues in an Audi

my car wont start i think its the battery

If it’s a battery issue you suspect is the problem, then the first thing you ought to do is check around the battery and check the battery terminals. You want them to be clean, not corroded and tightly connected. If you discover that the terminals are corroded you can attempt cleaning them with a mix of baking soda and water. If the battery is just old or weak, you will have to replace it, otherwise even if you charge it up enough to start the vehicle, it will likely run out of life once again in the not-so-distant future. You can make use of a multimeter as a battery tester to find out if it’s worth saving or if it needs replacing. You can ask a professional car mechanic online or in your area to help you with this.

How to Diagnose Alternator Problems in an Audi

car wont start, jumped and started alternator

If the alternator is what you think is the culprit, you can test it. If you can get the vehicle to start up temporarily (you may need to jump-start the car for that), but when it’s going, let the vehicle run, and while its running, disconnect the positive terminal of your car's battery. It's likely the result of a problem with your car's alternator if you notice that your Audi dies pretty quickly when you disconnect the positive terminal. However, be warned this test can be risky if you don't know what you're doing, and may harm the sensitive electronic components in your vehicle, so its best to speak with an experienced mechanic local to you or online, prior to ever attempting this.

How to Identify Starter Motor Failures in an  Audi

car wont start starter and battery good

If you hear the clicking sound when you try and start the car by turning the key, however, the engine doesn't crank, then it's probably a problem with your starter motor. In this case, the solution is to have the starter motor changed for a new one by a professional mechanic.

How to Fix Fuel System Issues in an Audi

clogged fuel filter car wont start

If you suspect the issue to be because of a fuel system problem, listen for the fuel pump when you turn the key to the “on” position, before starting the car. You ought to hear a humming sound for a few seconds. If you are unable to hear this noise, then it may be there is cause for concern with the fuel pump. If you notice your Audi is tough to start, it stalls, or it has bad acceleration, it could be a result of a clogged fuel filter. Both of these will likely require a professional car mechanic in order to properly fix them.

How to Repair Electrical or Wiring Problems in an Audi

fuses to check when car wont start

If you suspect it's a wiring or electrical system issue, initially check the fuses related to the ignition system, and replace any that have actually blown. If your Audi starts after this, then it was a successful, easy, and inexpensive repair! Nevertheless, if the car does not start, even intermittently it might be an issue with the ignition switch itself. If various warning lights show up on your dashboard, it might be due to a broken sensor. These issues can be very complicated and a professional car mechanic is most likely required to identify and fix them.

Preventive Steps

As my dad always said “Prevention is better than cure”, so here are the best ways to ensure you hopefully avoid any Audi starting difficulties again!

Routine Upkeep of Your Audi:

Regular maintenance on car to prevent starting issues

Regular maintenance of your Audi is essential to preventing future problems. This includes things like routine oil changes, inspecting your car battery, cleaning up the terminals, changing the fuel filter as recommended/required, and of course having your car inspected by a professional car mechanic routinely. If you are uncertain about routine maintenance tasks required for your particular vehicle, you can consult a mechanic in your area or online.

Drive Your Audi Frequently:

drive regular to avoid car troubles

If you happen to leave your Audi stagnant for extended periods of time without taking it for a spin now and again, the battery will run out of charge as it's not getting any charge from the engine being in use. Try to drive your car regularly to keep the battery charged. Take it for a quick spin to make sure there is still a charge in the battery if you remember you have not driven your Audi in a while. Worth noting: letting the battery totally drain, is also damaging to the long-term life of the battery, try not to do this.

Pay Attention to Warning Signs:

Check Engine Control Light on a Vehicle Dashboard

If you observe anything weird like uncommon sounds, a difference in driving and performance, or alert lights showing on the dash, do not ignore them and get on with your day. These are usually early signs of an issue and it’s best to be addressed ASAP before they become larger issues down the line. Speak to a car mechanic in your area or online about these issues and find out if they need to be resolved.

When to Ask an Audi Mechanic Online

If you're either short on time, would like an expert Audi mechanic on hand to guide and advise you, or you've tried to solve it yourself, but in spite of your best efforts your vehicle won't start, then chatting with an Audi mechanic online can be a terrific choice.

Advantages of Online Mechanic Solutions

Happy mechanic repairing car looking at camera

Online mechanic services, like ours in the bottom right of this page, provide numerous advantages. You can get professional Audi mechanic advice 24×7 and without leaving your home, which is particularly beneficial if your vehicle won't start and is stuck in the driveway. It can also help you save money as online mechanic consultations are much more affordable than a physical visit to a local mechanic near you. Plus, you can get the answer quickly, which is fantastic if you're in a rush, need a second opinion, or just like having a professional Audi mechanic on hand.

How Solutions Like Can Assist You

Ask a mechanic online about my car not starting connects you with licensed professional mechanics who can offer instant assistance, guidance, and advice. You have the ability to explain the problems you are having with your car, ask an Audi mechanic limitless questions, and even submit photos and videos so you are able to show the mechanic what you mean. You can speak to them via online chat or by call, whichever you prefer. The Audi mechanic online will help you detect the issue, advise you on the best course of action for your individual situation, and even guide you through basic maintenance and repairs every step of the way.


To wrap up when your Audi will not start, it will likely be a total bummer and an enormous inconvenience. However, knowing what may be causing the issues, having the ability to troubleshoot them, and knowing what steps are required in each case, and where to get help if needed, will be a big help. Bear in mind that regular maintenance is key to preventing all kinds of vehicle issues.

If this piece was informative but your car problems remain, remember to ask a car mechanic using our online service.

Frequently Asked Questions (FAQs)

What should I do if my Audi wont start? 

First of all, do not panic. Attempt to identify any symptoms that might suggest an issue, such as unusual noises, warning lights on the dash, or changes in performance. The reason for the problem is likely one of the typical causes talked about in this guide. You will need the assistance of a mechanic locally or online if you can't find the issue yourself.

How to tell if my Audi wont start because of the battery?

Indications of a battery problem in an Audi consist of the engine being slow to crank, dim headlights, and lit battery warning lights on dash. You can also check the battery terminals to see if they are clean, not corroded, and tightly connected. It may be best to just replace it if the battery is weak or old.

How can I prevent my Audi not starting issues?

In order to make sure this inconvenience never occurs once again, regular maintenance is essential. This includes things like oil changes, examining the battery and cleaning it's terminals, changing the fuel filter as recommended / needed, and getting your Audi inspected by a mechanic often. It's also a fantastic idea to drive the car routinely so the battery stays charged.

Can I ask a mechanic online if my Audi fails to start? 

Yes, you can. An online mechanic service like ours can offer instant specialist Audi mechanic assistance and suggestions, without you having to leave your house. If your Audi wont start and is stuck in the driveway, this is particularly beneficial.

How can services like help if my Audi can't start?

We connect you with certified professional Audi mechanics who can offer suggestions on your particular circumstance. You can inform them about your vehicle issues, ask unlimited questions, and even upload images and videos so you can properly demonstrate the problem and explain it. The mechanic will have the ability to assist, troubleshoot, diagnose the issue, recommend the best course of action and guide you along the way.

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