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Audi A3 Common Problems and Solutions

Engine Failure (All 2.0-ltr Models)

Problem:

The engine has failed and will not restart.

Models affected:

Solution:

2.0-ltr diesel versions of the A3 have a reported issue with some drivers experiencing massive engine failure after less than 60,000 miles. It’s caused by excessive wear to a sprocket on the oil pump and can happen at almost any time. You’ll have to order a replacement oil pump from us and replace the worn one.

Difficulty level

2

Part you need

Oil Pump

Part required

Oil Pump

Get a quote for Oil Pump

Stiff Gear Change (All Six-Speed Manuals)

Problem:

It’s becoming more difficult to move between 1st and 2nd gears, and the gear stick feels stiff.

Models affected:

Solution:

Only affecting those A3s with a six-speed manual gearbox, the problem here is that you have a gearbox synchromesh fault. Having a professional install this for you can be very expensive, but you can find a low-cost replacement easily on our parts page, and it’s easier to replace yourself than you might think.

Difficulty level

2

Weak Brake Pedal

Problem:

The brake pedal needs excessive pressure to start working.

Models affected:

Solution:

The brake vacuum pump on A3s built between 1996 and 1999 is famous for rapid wear. Check your pipe for cracks, order your replacement from BreakerYard today, and easily replace the damaged one.

Difficulty level

1

Part you need

Vacuum Pump

Part required

Vacuum Pump

Get a quote for Vacuum Pump

Engine Misfire

Problem:

The car is misfiring, leading to a loss of power. The Check Engine Light may also come on.

Models affected:

Solution:

This will usually be caused by an engine coil failure. It’s very normal in cars that have driven a lot of miles, and you’ll need to replace them. In very rare cases, you may find that replacing the coils hasn’t helped, in which case you’ll need to order replacement spark plugs from our online store and exchange them too.

Difficulty level

3

Engine Failure (All 2.0-ltr Models)

Problem:

The engine has failed and will not restart.

Models affected:

Solution:

2.0-ltr diesel versions of the A3 have a reported issue with some drivers experiencing massive engine failure after less than 60,000 miles. It’s caused by excessive wear to a sprocket on the oil pump and can happen at almost any time. You’ll have to order a replacement oil pump from us and replace the worn one.

Difficulty level

2

Stiff Gear Change (All Six-Speed Manuals)

Problem:

It’s becoming more difficult to move between 1st and 2nd gears, and the gear stick feels stiff.

Models affected:

Solution:

Only affecting those A3s with a six-speed manual gearbox, the problem here is that you have a gearbox synchromesh fault. Having a professional install this for you can be very expensive, but you can find a low-cost replacement easily on our parts page, and it’s easier to replace yourself than you might think.

Difficulty level

2

Weak Brake Pedal

Problem:

The brake pedal needs excessive pressure to start working.

Models affected:

Solution:

The brake vacuum pump on A3s built between 1996 and 1999 is famous for rapid wear. Check your pipe for cracks, order your replacement from BreakerYard today, and easily replace the damaged one.

Difficulty level

1

Part you need

Vacuum Pump

Part required

Vacuum Pump

Get a quote for Vacuum Pump

Engine Misfire

Problem:

The car is misfiring, leading to a loss of power. The Check Engine Light may also come on.

Models affected:

Solution:

This will usually be caused by an engine coil failure. It’s very normal in cars that have driven a lot of miles, and you’ll need to replace them. In very rare cases, you may find that replacing the coils hasn’t helped, in which case you’ll need to order replacement spark plugs from our online store and exchange them too.

Difficulty level

3

Suspension problems

Problem:

You may have noticed that when you are driving over speed bumps, or rough surfaces, that there is a knocking noise coming from the suspension. This problem is usually caused by the track rod ends being broken.

Models affected:

Solution:

Fitting replacement track rod ends will fix the problem.

Difficulty level

3

Part you need

Rod Ends

Part required

Rod Ends

Get a quote for Rod Ends

DPF warning light

Problem:

If the DPF (Diesel Particulate Filter) warning light has appeared on the dashboard, then it is usually caused by a blocked DPF, due to the car only being driven around town. This means that the DPF is unable to reach high enough temperatures ,to be able to burn off the unwanted particles. This results in the DPF becoming blocked.

Models affected:

Solution:

You need to take the car out onto a motorway and drive it in 4th gear, at about 2500 rpm for about 10 miles. This will allow the DPF to get hot enough, to be able to burn off these unwanted particles. This in turn, should cause the warning light to go off on the dashboard. Have a look at the video below, for an idea on how to do this:

Difficulty level

1

Engine management warning light

Problem:

If the engine management warning light has appeared on the dashboard, it is usually caused by the coolant temperature sensor. If this is the problem, you may also notice that you are having trouble starting the car when it is warm, or are getting strange temperature readings.

Models affected:

Solution:

You will need to replace the coolant temperature sensor, in order to resolve this issue.

Difficulty level

3

Part you need

Coolant Temperature Sensor

Part required

Coolant Temperature Sensor

Get a quote for Coolant Temperature Sensor

Oil leak on diesel engines

Problem:

If you have noticed that there is an oil leak on the floor, then the usual cause is a broken turbo pressure pipe seal.

Models affected:

Solution:

Changing the turbo pressure pipe seal will solve the problem.

Difficulty level

3

Excessive Oil Use

Problem:

You are using far too much oil on a regular basis.

Models affected:

Solution:

This is a well-known problem on Audi A3s built between 2003 and 2012 and is down to the fuel pipe. It usually affects 2.0-ltr models, especially those built between 2008 and 2011. The cause is a faulty fuel pipe, which is leaking oil. Buy some anti-vibration weights from our store and install them to fix the problem.

Difficulty level

2

Excessive Oil Use

Problem:

You are using far too much oil on a regular basis.

Models affected:

Solution:

This is a well-known problem on Audi A3s built between 2003 and 2012 and is down to the fuel pipe. It usually affects 2.0-ltr models, especially those built between 2008 and 2011. The cause is a faulty fuel pipe, which is leaking oil. Buy some anti-vibration weights from our store and install them to fix the problem.

Difficulty level

2

Losing Power (Automatics)

Problem:

The car starts to lose power when driving.

Models affected:

Solution:

The clutch temperature gauge on automatics has the frustrating habit of engaging at random times. This causes the car to lose power. Audi recalled a large number of A3s for this reason, and it’s caused by a faulty chip. You’ll need to find a replacement clutch temperature gauge on our parts list and replace the faulty one.

Difficulty level

2

Losing Power

Problem:

The car starts to lose power when driving.

Models affected:

Solution:

The clutch temperature gauge on automatics has the frustrating habit of engaging at random times. This causes the car to lose power. Audi recalled a large number of A3s for this reason, and it’s caused by a faulty chip. You’ll need to find a replacement clutch temperature gauge on our parts list and replace the faulty one.

Difficulty level

2

Rear Wheel Has Come Off

Problem:

The rear wheel has come off while driving.

Models affected:

Solution:

This is quite rare and is only a problem on A3s built between August 1st and August 31st, 2017. The rear hub carrier was manufactured to the incorrect standard. You’ll need to buy a replacement rear hub carrier and a rear wheel, both of which can be found on our parts list for the A3.

Difficulty level

3

Part you need

Wheel Hub Carrier

Part required

Wheel Hub Carrier

Get a quote for Wheel Hub Carrier

Rear Wheel Has Come Off

Problem:

The rear wheel has come off while driving.

Models affected:

Solution:

This is quite rare and is only a problem on A3s built between August 1st and August 31st, 2017. The rear hub carrier was manufactured to the incorrect standard. You’ll need to buy a replacement rear hub carrier and a rear wheel, both of which can be found on our parts list for the A3.

Difficulty level

3

Reading these common Audi A3 problems should help you find out what is wrong with your Audi A3 – or just what to look out for in the future. We’ll also give suggestions on what to do if your Audi A3 does have one of these issues.