I have heard of numerous DIY methods to detect those pesky vacuum leaks but it usually involves the use of a propane connected to a hose or carburetor spray cleaner aimed at suspected leak sites while the engine is running. Both of these methods can present a nasty fire hazzard when used around a ho…

Poor Man's Vacuum Leak Detector

circuitsmith January 19, 2011, 1:29am 2

Good idea.
I would however suggest a good cigar, then you can celebrate when you find the leak.