Audi S2 Wont Start? Here’s Quick Solutions to Most Common Problems

Introduction

As a certified mechanic with over two decades of hands on experience, I’ve seen plenty of people struggling when their Audi S2 Won’t Start. And I’ll be straight with you, not being able to start your car when you need to drive is incredibly annoying.

But don’t lose hope, you’ve come to the right place, no need to keep googling searches like “Audi isnt starting“, I got you covered. My name’s Robby, a certified auto mechanic with over two decades of experience, and in this guide, I’ll walk you through the most common causes for why your S2 doesn’t start. I’ll detail all the typical suspects so you can pinpoint what’s going on, plus what to do to fix each specific problem. Drawing on my two decades of firsthand experience, I’ll offer practical diagnostic pointers to get your Audi S2 started as soon as possible!

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Why Won’t My an Audi Start?

Audi S2 wont start

Before we dive into the laundry list of possible issues and solutions, it’s critical to first gain an understanding of the core problem. When you climb into your Audi S2 and discover “it won’t start!”, there could be several parts causing the headaches. Perhaps the engine doesn’t turn over whatsoever, or maybe it’s turning over partially yet not igniting. Or you might notice clicking sounds when you try to start it, but sadly no ignition occurs. Each scenario can indicate different mechanical issues.

Common Reasons Why Your Audi S2 Won’t Start

There are numerous reasons why your S2 won’t turn on. Typical causes include a weak or drained battery, broken alternator, starter motor complications, fuel system snags, plus electrical or wiring issues. Each of these issues can present differently, needing specific methods of diagnosis and repair to get you back on the open road ASAP. All of which, we’ll delve into.

Symptoms of an Audi S2 That Won’t Start

Identifying these warning signs will help uncover the core issue. For instance, when you turn the key and you hear it clicking but no ignition, it often signifies a problem with either fuel delivery or ignition issues.

Analysis of The Reasons Why Your Audi S2 Won’t Start

The first step in fixing the no-start nuisance is pinpointing the specific source of the trouble. So let’s explore the most frequent causes of the S2 not starting when you turn the key.

Battery Issues in an Audi S2

car wont start but battery is good
Image Credit: MechanicAnswer.com

In the majority of cases, the most frequent reason an Audi S2 won’t start comes down to battery troubles. Specifically, a drained or weak battery prevents the engine from turning over. The car’s battery delivers the required power to ignite the engine and run all your vehicle’s electrical components. Symptoms of a failing battery include labored or difficult cranking, dim headlights, or a battery alert symbol aglow on the dash. A battery charger can recharge a dead battery if you don’t have the help of another vehicle to jump start it, but do have an electrical socket nearby like at home.  And a portable jump starter lets you charge p the battery without another vehicle, and by the roadside without the need for an electrical socket, so you are never stuck.

Alternator Problems in an Audi S2

car wont start alternator

The Alternator keeps the battery charged by using engine power while driving. A broken alternator can easily prevent your Audi S2 from starting since it fails to recharge the battery, draining it completely so that one day you hop in your beloved Audi S2 and it refuses to start up. Symptoms of a malfunctioning alternator may include an illuminated battery or alternator caution light on its dash, dull headlights while idling, or a whirring noise from the engine while running.

Starter Motor Failures in an Audi S2

car wont start wont turn over

The starter motor is key to turning the engine when you go to start up your Audi. In the event of starter problems, the engine may fail to crank, preventing your S2 from starting. Pay attention to clicking sounds when you turn the key or grinding during cranking, possibly meaning starter issues.

Fuel System Issues in an Audi S2

car wont start fuel filter

We’re not talking about running out of gas like a silly goose. Rather, it’s problems in the fuel system itself that could leave your S2 unable to drive. Your car uses gas uses gas to combine with oxygen and runs the engine. Issues in fuel delivery like a clogged fuel filter or failing fuel pump relay may mean the engine is unable to get the fuel it requires for ignition. Fuel injectors can also get clogged over time, so try a fuel injector cleaner like Red Line to clear any blockages and improve starting.

Electrical System or Wiring Problems in an Audi S2

car wont start electrical issue
Image Credit: MechanicAnswer.com

Ok, well yes that image is a joke, but I want to emphasize modern vehicles rely on electronics, increasing what can go wrong. Even in older Audi’s, the usual suspects include blown fuses, spark issues, faulty ignition switches, or non-working sensors. Electrical issues and electronics like these may prevent your vehicle from starting. Be on the lookout for intermittent starting, warning lights, or failure to crank as indicators pointing to an underlying electrical issue. Diagnosing and repairing these often needs a certified mechanic near you.

Solutions: Let’s Get Your Audi S2 Starting Again!

If you think you might know what the issue may be, it’s time to figure out the cause of your car’s inability to start up, and then the logical next move is to try to fix the issue. Here are some tips for typical problems we’ve talked about already:

How to Identify and Fix Battery Issues in an Audi S2

car not starting but battery is fine

If you believe a battery issue is to blame for your Audi’s difficulty cranking, first inspect the battery terminals Make sure they are clean, secure, and properly connected. If the terminals are in fact dirty, try scrubbing them with a sodium bicarbonate(baking soda) and water mixture.

Once you have checked the battery terminals, you can check to see if the battery is just out of charge, or worse, it’s old and weak, or dead and needs to be replaced. For this, you can charge the battery in a few different ways:

If the battery charges fully and performs as expected, the issue may be resolved. However, replacing the battery will be required if it is old, weak or dead. Otherwise, even sufficiently charging it to start your S2 may only provide temporary relief before it runs out of charge again in the near future. Using a multimeter or OB2 scanner to evaluate the battery’s condition can determine if it’s worth preserving or requires swapping out. Suitable replacement batteries for your specific Audi can be found on Amazon here by entering your vehicle details to filter for the right fit and choosing a highly-rated seller.

Robby Recommends:

Portable Car Battery Jump Starter Charger - NOCO Boost Plus GB40

At Home Battery Charger - YONHAN - Fully Automatic

Jumper Cables by Energizer for Car Battery - Heavy Duty

NOCO Boost Plus GB40 1000A UltraSafe Car Battery Jump Starter

YONHAN Battery Charger Fully-Automatic

Energizer Jumper Cables for Car Battery, Heavy Duty

If charging your S2’s battery fails to solve ongoing issues like frequent draining and recharging even after installing a new battery, an underlying problem likely causes the excessive drain. Professional diagnostic services would then be needed to inspect and identify the root cause. You can also consult a mechanic online through us or obtain an instant quote from a mobile mechanic.

How to Identify and Fix Alternator Problems in an Audi S2

Car wont start replace alternator needed

If you think the alternator is the reason your Audi S2 won’t start, a test can confirm. If you can temporarily get the car running (you may need a jump start), and while it’s running, disconnect the positive terminal of the battery. If the car dies pretty quickly after that, it’s likely a bad alternator. However, be warned this test can be dangerous and mess up sensitive electronics in your ride, so consulting a skilled mechanic in your area or online is best before trying it.

If you figure out that the alternator is the problem, it’s a case of having it replaced. I recommend consulting an online or local mechanic as they will advise you on how difficult the repair is for your specific model, and you can work out if you want to try it yourself, or with the advice of an online mechanic

If you do want to try it yourself or take it to a local garage, you can often buy the replacement parts yourself cheaper than at the garage, but you need to know what to get for your model of Audi S2. You find all the information you need about your specific vehicle by searching online for something like “free mileage check by Audi vin“, which is a purchasable report, that will give the specs for your vehicle and which parts are compatible, and then you can go get the alternator parts you need. However, an easier option is, Amazon probably has the alternator you need online, at a cheaper price, and their site easily shows which ones will go in your specific car model. Check the Amazon alternator page here

How to Identify and Fix Starter Motor Problems in an Audi S2

starter motor issues in a ford

If you think the starter motor is the culprit behind your Audi struggling to start, be alert for a clicking sound when you turn the key. If present, but the engine does not turn over, the starter motor likely needs replacement. You can take it to a local garage and have them repair it, or repair it yourself with the help and advice from an online mechanic guiding you. 

If you need it, one of the cheapest and easiest places to get a new starter motor, for your exact vehicle model is on the Amazon here.

How to Identify and Solve Fuel System Problems in an Audi S2

clogged fuel filter car wont start

If you suspect a fuel system issue might be to blame for the no-start, tune your ears for the fuel pump noise when you flip the key to “on” before attempting to start the car. The pump should make a quiet humming for a few seconds. If such a noise is not heard, the fuel pump could be faulty. Difficult starting, stalling, or poor throttle response may also come from a clogged fuel filter. Both pump and filter issues usually need a professional mechanic to inspect and repair them properly, often involving fuel pressure testing and specialized diagnostic equipment. Later in this article, I detail the best ways to get help from a local Audi mechanic near you. 

How to Repair Electrical or Wiring Problems in an Audi S2

fuses to check when car wont start

If you suspect it’s an electrical circuitry issue, first inspect the fuses for the ignition system, and replace any that have blown. If your S2 starts after this, it was an effective, cheap fix! However, if it still won’t start, even sometimes, the ignition switch itself could be the cause of the issue. Dash lights on the dashboard could additionally mean a faulty component. These can be intricate issues needing a professional mechanic to diagnose and properly repair (see below advice on local mechanics).

How to Prevent Starting Issues in an Audi S2

As granpa would say: “An ounce of prevention is worth a pound of cure”. Here’s how to prevent future problems starting your S2:

Regular Upkeep of Your Audi S2

Regular maintenance on car to prevent starting issues

Routine maintenance is key to avoiding issues, including oil changes, checking the battery, cleaning terminals, replacing the fuel filter as needed, and having a mechanic examine the vehicle regularly. If confused about maintenance for your model, consult a mechanic locally or online for guidance.

Drive Your S2 Regularly

drive regular to avoid car troubles

If your Audi S2 happens to sit unmoved in your garage or driveway for extended times without being driven, the battery can deplete as it is not being charged up by the engine running, through the alternator. Try your best to drive your vehicle regularly to keep a charged battery. If you remember you haven’t driven your car in a while, take it for a short spin around town to ensure there is still a charge left.

Note: Letting the battery completely drain is also bad for its longevity, so try to avoid that.

Take Notice Of Warning Signs

Check Engine Control Light on a Vehicle Dashboard

If you notice any abnormal things like unusual noises, changes in driving and performance, or warning lights lit up on the dashboard, do not ignore them. These are often early signs of an issue that should be addressed ASAP before they escalate into larger problems later on. Consult with a mechanic locally or online about these problems and get advice on if they require attention.

When to Ask an Audi Mechanic Online

If you have limited time available, or you gave fixing the no start yourself an honest effort but with no luck, consider consulting an Audi mechanic online. It delivers quick professional advice from the comfort of your living room, and is far less expensive than a tow and diagnosis at the local garage.

Advantages of an Online Audi Mechanic

Happy mechanic repairing car looking at camera

Online Audi mechanics can review your symptoms, past repair history, and circumstances to provide troubleshooting steps tailored to your situation. With so many Audi mechanics available they can help fix nearly any problem, it doesn’t if matter it’s your S2 that’s having issues or an Audi S1 won’t start, the online mechanics can help sort anything in no time. And with many household budgets tighter these days, the convenience and affordability of online mechanics help, keep your wallet happy too.

You can explain the issues you’re having, ask Audi mechanics unlimited questions, and even submit images and videos so you can show the expert what you mean. You can talk to them via online chat or phone call, whichever you prefer. The Audi specialist will diagnose the issue, advise the top solution for your specific case, and even walk you through basic maintenance step-by-step.

If you’re seeking reassurance from a certified mechanic before purchasing expensive parts, or just pressed for time – online assistance has real benefits. Give it a try to see firsthand how convenient fixing problems can be.

So feel free to try out our ask a Audi mechanic a question service and see for yourself!

When and How to Get a Local Audi Mechanics Help

automobile mobile mechanic

When your Audi S2 won’t start, and you are unable to repair it yourself, thinking about how to get your vehicle to the garage can be a nightmare. There are options like roadside services, that come to you and can provide simple fixes to get your car moving enough again, so you can get it to a mechanic garage for proper repairs. You can also use a towing service, but these can be costly, easily into the hundreds of dollars. A much better option is the use of a mobile mechanic, who will come to you at your home, place of work, or by the roadside, and carry out repairs there and then for you, so you can get your S2 started again ASAP.

So if you think a mobile mechanic is the best solution for you, instead of searching on Google something like  “home service mechanic“, the best in the USA that also covers most towns is YourMechanicI have personally recommended them to countless people across the country and they always have a great experience.

Reasons I recommend them:

  • They use experienced ASE-certified mechanics
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  • Low Cost compared to regular garages

If you would like to know more, the process to use them is this.

  1. Visit their official website here: YourMechanic
  2. Get an instant free quote for what you need
  3. Book a time and place for the mechanic to come to you
  4. The mechanic will arrive in a fully stocked repair van and repair it right in front of you
  5. Pay when the job is completed.

Super easy, super reliable, super convenient, and highly recommended.

Conclusion

In short, when your Audi S2 won’t start, it can be a total bummer. However, understanding what might be triggering the issues, being able to diagnose them, and knowing what actions are needed in each case, and where to get help if necessary, will be a huge help. Keep in mind that routine care is vital to avoiding most vehicle issues.

Frequently Asked Questions (FAQs) When a Audi S2 Won’t Start

Audi S2 won’t start but lights turn on?

If your Audi S2‘s lights turn on but it still won’t start, the issue may not be related to the battery. It’s highly possible there is a problem with the engine starter. Check to see if you hear any clicking sounds when trying to turn the key. If so, the starter motor is attempting to activate but failing. Have a mechanic check over the starter motor – it may need to be repaired or replaced.

Audi S2 won’t start but has power?

When your Audi S2 has power (lights, radio etc work) but does not start up, there may be a fuel delivery problem. Issues like a faulty fuel pump relay could stop fuel getting to the engine. Without enough fuel, combustion can’t happen and the engine won’t start. Listen near the back seat when turning the key – you should hear the fuel pump prime for a few seconds. If not, get a mechanic check the fuel system.

Audi S2 won’t start but battery is good?

If your Audi S2‘s battery tests fine and is fully charged, but the car still refuses to start, the underlying cause is likely electrical. Possible issues include a bad ignition switch, broken sensor, or wiring problems. As electrical issues can be tricky, diagnosis by a professional mechanic is best. They can correctly pinpoint the specific electrical fault and have it repaired.

Audi S2 won’t start just clicking?

When you turn the key and just hear clicking but the engine doesn’t crank, the most common cause is a faulty starter motor. The click comes from the starter solenoid trying to engage the starter motor, but the motor itself fails to crank the engine. As the starter motor needs physical fixing or swapping out, consult with a reliable mechanic to get your Audi S2 running again.

What if my Audi S2 won’t start up?

First things first, take a deep breath and don’t panic. Look for any odd noises, flashing lights, or changes in how it runs that could point to the issue. Chances are the culprit is one of the common problems we will talk about here. If you still can’t locate the exact issue, you’ll have to consult a trusted Audi mechanic locally or online.

Determine if my Audi S2 won’t start because of the battery?

Signs that your Audi’s battery is the issue include, a slow cranking engine, dim front lights, and battery alerts lighting up on the dash. Also make sure the battery terminals are clean, corrosion-free, and tightly fastened. If your battery is worn out it’s probably best to just replace it fully.

How to prevent my Audi S2 from failing to start in the future?

To prevent this frustration from reoccuring, scheduled maintenance is essential. This includes oil changes, checking the battery and scrubbing its terminals, replacing the fuel filter when necessary, and getting your Audi S2 inspected by a mechanic on a regular basis. Also, make sure to drive the car often so the battery stays charged.

Can I consult an online mechanic if my Audi S2 fails to start up?

Yes, you can. An online mechanic service like ours can offer immediate skilled Audi mechanic help and recommendations, without you having to leave your house. If your vehicle fails to start and is stuck in the parking area, this is especially beneficial.

How can services like MechanicAnswer.com be of service if my Audi S2 isn’t starting?

We connect you with certified Audi technicians who can supply proposals specific to your exact situation. You can brief them about your auto troubles, ask unlimited questions as needed, upload videos or pictures so you can show in detail the problem. The specialist auto mechanic will be capable to help, identify the fault, and put forward the best solution and talk you through it.

Interesting Audi S2 Facts

Did you know that the Audi S2 was actually the first car to feature Audi’s iconic Quattro all-wheel drive system? It’s true! This groundbreaking technology revolutionized the way cars handled in all types of weather and road conditions, making the Audi S2 a force to be reckoned with on the road. And get this – the Audi S2 was also the first car to feature a turbocharged five-cylinder engine, giving it an impressive power output that was ahead of its time. With a top speed of over 150 mph, the Audi S2 was a true performance powerhouse. So if you’re lucky enough to own one of these rare and iconic vehicles, you’re in possession of a piece of automotive history that’s sure to turn heads and make a statement wherever you go.

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Which Mechanic Suits You?

  1. Chat with an Online Mechanic to get instant, unlimited help and advice for 1 full week, for just £5.
  2. Get help from a Mobile Mechanic. We  recommend Fixter. They will come to you and fix your vehicle at a time that suits you. Instant free quote online below. We recommend the online mechanic first, as it’s cheaper for you, and you may not need an in-person mechanic.

Which Mechanic Suits You?

  1. Chat with an Online Mechanic to get instant, unlimited help and advice for 1 full week, for just $5.
  2. Get in-person help from a Mobile Mechanic. We recommend YourMechanic. They will come to you and fix your vehicle at a time that suits you. Instant free quote online below. We recommend the online mechanic first, as it’s cheaper, and you may not need an in-person mechanic.

Choose Your Mechanic

1. Chat with A.I. Mechanic (Robot Robby)
  • Free 7-day trial
  • A.I. Mechanic that is trained by our human mechanic writers. As helpful as a human mechanic for expert advice, troubleshooting, and repair guidance.
2. Chat with a Human Mechanic Online
  • Join for just $5, and $39/month. Cancel anytime
  • Real human ASE-certified mechanics available 24/7

Which Mechanic Suits You?

  1. Chat with an Online Mechanic to get instant, unlimited help and advice for 1 full week, for just $5.
  2. Get in-person help from a Mobile Mechanic Near You. They will come to you and fix your vehicle at a time that suits you. If there are none near you, you will be redirected to the online mechanic.

Which Mechanic Suits You?

  1. Chat with an Online Mechanic to get instant, unlimited help and advice for 1 full week, for just £5.
  2. Get help from a Mobile Mechanic. We  recommend Fixter. They will come to you and fix your vehicle at a time that suits you. Instant free quote online below. We recommend the online mechanic first, as it’s cheaper for you, and you may not need an in-person mechanic.

Which Mechanic Suits You?

  1. Chat with an Online Mechanic to get instant, unlimited help and advice for 1 full week, for just $5.
  2. Get in-person help from a Mobile Mechanic. We recommend YourMechanic. They will come to you and fix your vehicle at a time that suits you. Instant free quote online below. We recommend the online mechanic first, as it’s cheaper, and you may not need an in-person mechanic.

Where Can I Find My VIN?

Your vehicle’s unique Vehicle Identification Number (VIN) can be found on the title document, the vehicle registration, and the insurance policy. It is a series letters and numbers like this as example: WAUGC0896JA235262. The VIN can also be located on the following locations on the vehicle itself:

how to find VIN on vehicle