Vacuum leaks on any vehicle are found by spraying the suspect joints or connections with WD40 or other lubricant (NO SILICONE BASED LUBRICANTS) with the engine idling. When the idle changes you've found the leak. If you suffer a brain freeze and use a silicone based lubricant you will kill the oxygen sensor.
vacuum leakTo
You can find a small vacuum leak in your 2002 Toyota Camry with a diagnostic tester. The diagnostic tester can pinpoint virtually any vacuum leak.
To find a vacuum leak. the vacuum hoses should be sprayed while the engine is running. A solution of dish soap and water sprayed on a leaky vacuum hose will cause it to blow soap bubbles. Spraying both the hose and the connectors should find the vacuum leak quickly.
how to find a vacume leak on a1999 cougar
I am having a stalling problem and I heard it can be the cause of a vacuum leak and if that is true how can i fix it and where is it at?
A vacuum leak on a 1999 Ford Ranger can be located using an automotive stethoscope. It can then be move around the engine to detect the sucking noise of a leak.
with your mouth
brake leakage? or vacuum assisted vacuum leak?
Start with a visual, inspect all vacuum lines for problems.
P2173 High AirFlow/ Vacuum Leak Detected (Slow Accumulation).You have a vacuum leak in the intake manifold.P2173 High AirFlow/ Vacuum Leak Detected (Slow Accumulation).You have a vacuum leak in the intake manifold.
Spray some WD-40 around where you think the vacuum leak might be. When the WD-40 is sucked into the engine you will hear the engine smooth out or rev up a little. PRESTO-that's where your leak is.
Use carb cleaner or brake cleaner.