Originally Posted by imjohnphan
Hi everyone, I have some high idle code that I believe is a vacuum leak. Can anyone guide me in the right direction where and how I should test. Or should I just spray the smoke randomly around hoses and see where the smoke gets sucked in?
I bought one of those cheap paint can looking smoke makers for this specific purpose.
I've always just used carb/choke cleaner when the car is still cold and listen for the idle change. It's a little old school and can go wrong if the car is too hot, but everything in the engine bay is designed to handle high heat, so doable if you're careful and have an extinguisher handy.