My 2000 v6 had a leaking booster. Brakes seemed fine untill you tried to panic stop, then pedal has rock hard and didnt stop vehicle. Got a used one at a salvage yard, fixed hissing sound and panic breaking problem.
Need to know the location of the vacuum leak in order to answer this.
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.
The Camry could have a vacuum leak. If there is a vacuum leak, then there can be a whistling sound until the vacuum system is full of air.
fix the vacuum leak
Might be a vacuum leak
120
First you have to locate the source of the vacuum leak then you can determine what steps to take to stop the leak. Determine the source and re-post your question with more info.
sounds like a vacuum leak in booster
find the vacume line and check for a leak in the system
Start with looking for a vacuum leak.
Look for a vacuum blockage or a vacuum leak.
That isn't much consumption.. If it buggs you take it to a garage and have them give you an estimate.