Do it yourself
Frequently asked questions about cars and motorcycles
Car Tutorial (Do it yourself) Motorcycle Tutorial (Do it yourself) Frequently Asked Questions
What does the brake warning light indicate on the Audi A4 B8?
Answer: If the brake light appears on the instrument panel of the Audi A4 b8, there is a malfunction in the system. This could be due to a lack of hydraulic f... read all

Posted on 27-06-2023
Why isn't the horn of the Audi A4 working anymore?
Answer: The horn of the Audi A4 may stop working for two reasons: a blown fuse or damaged wires. If the problem is a blown fuse, you just need to replace it. ... read all

Posted on 22-06-2023
Where is the temperature sensor located on the Audi A4 B6?
Answer: In the Audi A4 B6, the temperature sensor is located near the battery, under a cover, so to access it you need to open the hood and remove the cover o... read all

Posted on 19-06-2023
After how many kilometers is it necessary to replace the timing belt of the Audi A4?
Answer: The timing belt of the Audi A4 can be replaced after the car has traveled 210,000km, or after 5 years from the purchase of the car. Most drivers prefe... read all

Posted on 16-06-2023
What problems could the Audi A4 2.0 TDI 143 HP present?
Answer: In version B8, for example, of the car in question, no serious or numerous problems were found, except for versions equipped with the 7-speed S-tronic... read all

Posted on 8-06-2023
How much does the Audi A4 maintenance cost?
Answer: The Audi A4's service should be performed every two years or every 30,000 kilometers traveled. This type of routine maintenance generally includes a s... read all

Posted on 7-06-2023
Why are the parking sensors of Audi A4 not working?
Answer: If the parking sensors on your Audi A4 are not working, it means there is an electrical anomaly in the car and you need to request the intervention of... read all

Posted on 3-06-2023
What does the orange warning light mean in the Audi A4?
Answer: Yellow or orange warning lights indicate an impending danger or situation, or a problem that requires attention. These include low fuel, low tire pres... read all

Posted on 3-06-2023
What are the indicators of the Audi A4?
Answer: On the instrument panel of the Audi A4, you can identify the warning lights that indicate the activation of devices or indicate the presence of anomal... read all

Posted on 1-06-2023
Why won't the door of the Audi A4 close?
Answer: If the door of the Audi A4 does not close, it is possible that the actuator of its lock is damaged and will need to be replaced; the problem could als... read all

Posted on 28-05-2023
How much does it cost to replace the timing belt of the Audi A4 2.0 TDI?
Answer: Replacing not only the belt in question, but the entire timing belt kit, including the water pump, tensioner, and accessory belt, costs around 600 eur... read all

Posted on 27-05-2023
What does the "SRS" warning light indicate in the Audi A4?
Answer: If the "SRS" light has turned on in the dashboard of our Audi A4, it means that a malfunction has been detected in the airbags or pretensioners system... read all

Posted on 26-05-2023
Where is the lock fuse located in the 2005 Audi A4?
Answer: The fuse described above is present in the fuse box, along with others like it and some electrical relays. Its exact location is easy to find, in fact... read all

Posted on 25-05-2023
Where is the lock fuse located in the 2005 Audi A4?
Answer: Like all fuses installed in cars, this one is also present inside the fuse box. In the car's user manual, there is a numbered list in which it can be ... read all

Posted on 25-05-2023
What is the correct amount of motor oil for the Audi A4 2.0 TDi?
Answer: The correct amount of engine oil for the Audi A4 2.0 TDi is indicated in the car's user manual: for this type of vehicle, it is necessary to use 5 lit... read all

Posted on 24-05-2023
What are the issues with the Audi A4 143 HP?
Answer: The engine of the A4 with 143 horsepower is a 2.0 TDI, very sturdy and much more reliable than the gasoline version. It has a timing belt, and to ensu... read all

Posted on 19-05-2023
What are the indicators of the Audi A4?
Answer: The warning lights of the Audi A4 include all those lights that indicate the activation of devices or their anomalies: among these are included the oi... read all

Posted on 17-05-2023
Why is the rear hatch of the Audi A4 locked?
Answer: If the rear hatch of the Audi A4 is locked, it's possible that the actuator of its lock has been damaged; the problem could also concern some internal... read all

Posted on 17-05-2023
Why won't the rear hood of the Audi A4 B7 open?
Answer: If the rear hood of your Audi A4 B7 (year 2004-2008) does not open correctly, it means that there is a malfunction in the appropriate opening and clos... read all

Posted on 8-05-2023
What does the service light on the Audi A4 indicate?
Answer: If the service light on your Audi A4 (b8 model) instrument panel stays on, it simply means that you need to have your car serviced as soon as possible... read all

Posted on 8-05-2023
Why is the Audi A4 remote control not working?
Answer: If the remote control of the Audi A4 is not working, it is possible that the battery of the device is not sufficiently charged; the problem could also... read all

Posted on 4-05-2023
Why doesn't the AdBlue warning light on the Audi A4 reset?
Answer: If the AdBlue warning light on the Audi A4 does not reset even after refilling, it is likely that the level detection sensor is damaged; furthermore, ... read all

Posted on 27-04-2023
Why doesn't the trunk door of the Audi A4 open?
Answer: The failure to open could be due to build-up formed over the years, breakage of the release device, the cable of the release device, and finally the s... read all

Posted on 24-04-2023
What does the particulate filter warning light on the Audi A4 indicate?
Answer: When the particulate filter warning light appears on the instrument panel of the Audi A4, it means that a forced regeneration of the filter is in prog... read all

Posted on 18-04-2023
What is the amount of motor oil that goes into the Audi A4 B8 2.0 TDI?
Answer: The amount of engine oil needed for an oil change and to fill the engine oil pan on the Audi A4 B8 2.0 TDI is 5.00 liters. Due to the amount of oil ne... read all

Posted on 17-04-2023
What does the AdBlue warning light on the Audi A4 indicate?
Answer: The AdBlue warning light that appears on the instrument panel of the Audi A4 indicates that the additional fluid inside the tank is almost depleted; t... read all

Posted on 14-04-2023
What is the right amount of motor oil for the Audi A4 3.0 TDI?
Answer: The correct amount of engine oil for the Audi A4 with a 3.0 TDI engine is indicated in the vehicle's user manual: for this car model with this type of... read all

Posted on 14-04-2023
Where is the fuse box located in the Audi A4?
Answer: Depending on the model and reference year, the fuse box and its contents may vary, so it is always advisable to check your instruction manual. For exa... read all

Posted on 13-04-2023
What is the meaning of the indicators present in the Audi A4?
Answer: The indicators present in the instrument panel of the Audi A4 are yellow, green, red, and blue, and they are all detailed in the car's user manual. We... read all

Posted on 9-04-2023
Where is the air conditioning relay located in the Audi A4?
Answer: The relay in question, which controls the air conditioning system of the vehicle in question, is located in the fuse box, which is positioned to the l... read all

Posted on 9-04-2023
What is the correct amount of motor oil for the Audi A4?
Answer: The right amount of motor oil for the Audi A4 varies depending on the engine installed in the car: for the version with the 3.0 TDI engine, it will be... read all

Posted on 7-04-2023
What does the orange triangular warning light on the Audi indicate?
Answer: The lighting up of the orange triangular warning light with an exclamation point inside on the Audi dashboard signals to the driver the presence of a ... read all

Posted on 3-04-2023
How do you remove the ignition block of the Audi A4?
Answer: To remove the ignition switch of the Audi A4, you need to loosen the screws that fix the plastics around the steering column: this will allow you to u... read all

Posted on 31-03-2023
What does the glow plug light on Audi A4 mean?
Answer: If the orange glow plug light comes on on the Audi A4 B7 (year 2004-2008) instrument panel, it means that the glow plugs need to be replaced as they a... read all

Posted on 14-03-2023
What does it mean if the Audi A4 remote control no longer works?
Answer: If the remote control of your Audi A4 no longer works, the most likely cause is a flat battery. If using the second key and replacing the battery the ... read all

Posted on 14-03-2023
What does the engine light on on Audi A4 B8 mean?
Answer: When the engine warning light turns on on your Audi A4 B8 steadily it indicates that there is a problem with the emission control system and therefore... read all

Posted on 8-03-2023
Why doesn't the instrument cluster in the Audi A4 light up?
Answer: If the Audi A4 instrument panel doesn't work, it is possible that the wiring connected inside is damaged; the problem could also depend on damage to t... read all

Posted on 3-03-2023
What problems from the Audi A4 instrument cluster?
Answer: The instrument cluster on this model has several problems such as central display failure, incorrect temperature/fuel gauges, speedometer malfunction ... read all

Posted on 18-02-2023
What causes the oil pump problem on Audi A4 2.0 tdi?
Answer: The problem with the oil pump on the Audi A4 with the 2.0 tdi engine was found on the models produced up to 2005 and is caused by the wear of a gear w... read all

Posted on 17-02-2023
How much engine oil goes in an Audi A4 b8 3.0 TDI?
Answer: An Audi A4 b8 3.0 TDI requires 6.9 liters of engine oil. You can buy 8 liters of Castrol Edge Professional 5W30 at 93.05 including VAT on Amazon, or f... read all

Posted on 14-02-2023
How to locate the MMI fuse on the Audi A4 B8?
Answer: The MMI fuse for the Audi A4, model B8, can be found in two different areas of the car. If you are looking for the car radio MMI fuse, you can find it... read all

Posted on 12-02-2023

See also

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Why does the start and stop function of the Seat Arona not work? Answer: 29-06-2023
Why is the trunk of the Mercedes locked? Answer: 28-06-2023
Where is the AdBlue tank located on the Peugeot 208? Answer: 28-06-2023
Where should the windshield washer fluid be placed in the Dacia Sandero? Answer: 28-06-2023