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View Full Version : how to find a vacuum leak


maxxpsi
12-14-2007, 10:19 AM
I must have one someplace, what is the easiedt way to find one? Car has popped 2 codes P0171 to lean and P0172 to rich. Car going down hill has a tiny lurch to it. My supra had the same little lurch when I had a vacuum leak. VF stage 1 e46 m3. Thanks in advance, other than those little things my car runs amazing.

gttechnics
02-07-2008, 06:15 AM
try this tool- http://www.boostpro.net/prodtester.html
it works so well I've had quite a few techs at work ask me where to get one.