So far the only dirty air filter pictures I’ve posted were the cabin air filter, but once in a while I do find something in the engine air filter.
The tech next to me found this, probably just during a regular air filter check. That is a big pile of dog food, probably brought in by some animal through the intake. I’m not sure what would happen if there wasn’t a filter and dog food went into the engine, but it probably wouldn’t be too nice.
-Dan