What causes emission problem?
A rich air/fuel mixture will often cause a failed emissions test. This problem is usually a result of a defective oxygen sensor or faulty injectors. So, if you fail emissions, have these components inspected and changed if necessary. You have a loose or leaking gas cap.
What does the obstructed warning light on an Audi A3 mean?
The Audi A3 diesel particulate filter obstructed warning light may illuminate whilst driving to suggest that diesel emissions are not being filtered correctly. This is non-urgent though the vehicle may not be complying with legal emission standards. Seek assistance from a qualified technician soon.
Why are my headlights not working on my Audi A3?
Non-urgent as normal lights will continue to illuminate. Audi A3 headlight range control automatically adjusts the angle of the lights to provide the best possible range of lighting based on the car load. The headlight range control dashboard warning light suggests a fault within the system only and normal night driving lights will work as usual.
What causes an EPC light on an Audi?
The most common causes of an EPC light on your Audi or VW is a faulty throttle body, a faulty ABS sensor, ABS ring or a faulty brake pedal switch. Here is a more detailed list of possible causes of the EPC Light. Throttle body failure; Bad ABS Sensor – Common on newer VW Passats; Failed brake pedal switch – Common problem on Golf 4 & Fabia
What causes an engine warning light to come on?
Engine warning light MoT issues can stem from faults in the emissions control system, so it’s worth seeking assistance sooner rather than later. Will my car get through its MoT with the engine management light on?
Non-urgent as normal lights will continue to illuminate. Audi A3 headlight range control automatically adjusts the angle of the lights to provide the best possible range of lighting based on the car load. The headlight range control dashboard warning light suggests a fault within the system only and normal night driving lights will work as usual.
The Audi A3 diesel particulate filter obstructed warning light may illuminate whilst driving to suggest that diesel emissions are not being filtered correctly. This is non-urgent though the vehicle may not be complying with legal emission standards. Seek assistance from a qualified technician soon.
What does the EPC warning light on an Audi mean?
The EPC warning light on your Volkswagen or Audi means there is a problem with the EPC (Electric Power Control) system. The EPC system controls the throttle control, including the throttle body, accelerator pedal, cruise control, or traction control Can the EPC Warning Light Cause a Loss of Power?
Why does the ESP light come on on my Audi S5?
In recent weeks the emission control warning light in my S5 has come on and remained on twice, with no fault being identified by the dealership when I took it in. Most recently I had the parking break and ESP warning lights come on, and remain on.