Cool Audi Q5 Check Engine Light Reset References. In order to reset the check engine light on your audiq5 you're going to need to use a bit of a work around. Web there are a number of reasons why your check engine light might pop on, including damage to your mass airflow sensor, broken vacuum hose, worn down spark plugs, a bad catalytic converter or a leak in your intake manifold.

2014 q5 check engine light. Web below, you will find details about the process of resetting the check engine light in the audi q5. Web when your audi q5's ecm (electronic control module), which is the vehicle's onboard computer, finds a problem in the electronic control system that it can’t correct, a computer turns on your check engine light.