I've noticed my Audi 80's engine revving up and down when it's idling. I suspect it may be due to a faulty idle air control valve. How do I properly troubleshoot this issue?
ReplyCheck for any vacuum leaks first. If none are found, the next step is to test the resistance of the idle air control valve with a multimeter. If it is out of range, it's time for a replacement.
Make sure to clean the idle air control valve before replacing it. Use a throttle body cleaner and a toothbrush to remove any buildup that may be causing the issue. It's a quick and easy fix that may save you money in the long run.
It's also important to check the wiring and connections of the idle air control valve. Loose or damaged connections can also cause irregular idling. Make sure they are all secure and in good condition.
Discover premium car mats designed specifically for your Audi model. Explore our sub-collections and find the perfect fit for your ride:
Upgrade your driving experience with high-quality car mats that combine style and functionality. Shop Now.