Questions and Answers
Vacuum Leak
Q. I have a 1995 Toyota Tacoma with a 2.4L 4 cyl. engine. You helped me recently with a question I had about it and decided it was most likely a vacuum leak. I found and fixed one of the leaks (thanks because it did help a little) unfortunately there is another one I can hear the general vicinity of the leak, but it is amidst a cluster of vacuum hoses and I have checked them as best I know how. My question is do you know of any trick to finding a leak?
Thanks for all of your help,
NickA. There is an electronic vacuum leak finder, but it cost's about $250.00. I don't think it would be cost effective for you to purchase one in this case.
What I do is take a pair of needle nose pliers and pinch off each one at the vacuum source. When I hear the leak stop or see engine rpm change, then I know I have the right line. That works most of the time. Sometimes all you can do is pull each line off, one at a time, and inspect each one for cracks or breaks.
