What is emission control system fault?
Emissions system fault A component of this is the oxygen sensor, which can sense if the engine is burning too much or not enough fuel. This can trigger the CEL to indicate that the car is either running too rich or too lean, or that there’s an issue with the sensor itself.
Why does the warning light come on on my Audi?
If the warning doesn’t go away, audi will certainly clean the filter for you if it’s too clogged up to clean itself. Emission control warning light came on for me as well. I tried first the normal procedure to clean the clogged DPF, but that didn’t help. Next morning I went to local dealers express service.
When does the emissions control system warning light come on?
Driving home tonight the Emissions Control System warning light came on (ps Audi printing the symbols in yellow on white in the manual makes it pretty hard to read!). The car is driving fine.
What does the engine management light on an Audi A4 mean?
Engine management light. The light should illuminate with the ignition turned on and go out once the engine has started. If the light remains on or flashes whilst driving, take your vehicle to an authorised Audi technician. Light may indicate an issue with emissions control or the catalytic converter.
What is the electronic power control on an Audi A4?
The Electronic Power Control ( EPC) is an alternative to the engine management light as seen above used on Audi cars. This circle in brackets symbol is a system that monitors the Audi Hold Assist function. Audi Hold Assist helps to keep the vehicle stationary whilst the engine is running. Example can be whilst stopping on a hill at traffic lights.
Engine management light. The light should illuminate with the ignition turned on and go out once the engine has started. If the light remains on or flashes whilst driving, take your vehicle to an authorised Audi technician. Light may indicate an issue with emissions control or the catalytic converter.
The Electronic Power Control ( EPC) is an alternative to the engine management light as seen above used on Audi cars. This circle in brackets symbol is a system that monitors the Audi Hold Assist function. Audi Hold Assist helps to keep the vehicle stationary whilst the engine is running. Example can be whilst stopping on a hill at traffic lights.
What are the warning lights on an Audi?
The following are warning lights and indicators found in vehicles built by Audi. Click a link to learn more about each one. They are roughly ordered by importance, which tends to be by color (red, amber, yellow, orange, green, blue, gray), but there are nearly 80 of them, so be patient!
How can I Fix my Audi A4 emission control system?
You need to have the engine codes pulled from the computer using a VAG COM scanner to the OBD port this will tell you what caused the error and than you can fix it properly.