My friend Bela brought his pristine, low-mileage 2015 Audi A8 V6 over a few weeks ago - several trouble codes were indicated. Since I have a diagnostic tool I pulled the codes which indicated no warm-up air injection to the catalysts. On both banks of the...
My internal combustion engine car sometimes isn't driven for days. Hoping there are no mice, but if there were, they might start chewing on the hoses. Even more reason to drive it more often!