Here's one to start, it happened to my friend this winter.
Friend has problem where his car won't idle so he has it towed to dealer. It turned out a mouse had eaten through his air filter (cold air intake) and then froze. Said mousicle then got jammed in throttle body next time it was opened.
Steve
Friend has problem where his car won't idle so he has it towed to dealer. It turned out a mouse had eaten through his air filter (cold air intake) and then froze. Said mousicle then got jammed in throttle body next time it was opened.

Steve