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If you suspect a certain area, try short bursts from a can of starting fluid with the engine running. Listen to the engine sounds; it will change speed and can sound just a little different when it sucks a little starting fluid.
If it's a large leak, check the big hose from the base of the throttle body to the power brake diaphragm. Understand too that a 15 year old power brake diaphragm can develop cracks and if that happens, it will leak.
It's difficult to tell you step-by-step instructions on how to find a vacuum leak; troubleshooting is a process that takes a while to master.
Sometimes you can disconnect a vacuum line and cap it to see if it makes any difference. There are quite a few options when tracking down problems, but you need to know which option to use in which situation.
What else can I help you with?
Where can you find a vacuum hose routing diagram for a 1998 Ford E-350 Van with 5.4 liter?
Ford puts most of their vacuum hose diagrams on the air filter housing cover.
Where do you find vacuum hose diagram for 1998 GMC Jimmy Vortec V6 4.3 liter engine?
vacuum hose from window washer to where it runs from small hoses running under the window
Vacuum hose diagram picture for a 1998 Ford Explorer?
vacuum line diagram
Where can you find a vacuum hose diagram for a 1998 Nissan Quest?
Maybe if you would google your question, it would pop up....
Does anyone have a vacuum hose diagram for a 1992 Saturn SC2?
A vacuum hose diagram for a 1992 Saturn SC2 can be found in an automotive repair manual. This type of manual can be purchased at an automotive parts store. In some cases, this manual is available at a local library.
My 1998 VW Cabrio won't stay started when idling?
vacuum hose
Where do you attach the vacuum hose on a 1998 Chevy lumina 3.1?
You attach it on the engine
Where can you find a vacuum hose diagram for a 2005 Volkswagen Jetta with a 2.5Liter engine?
You can find a vacuum hose diagram for your 2005 VW Jetta at your local VW dealership. Most local libraries will have VW service manuals with the vacuum hose diagram.
Where can you get a vacuum hose routing diagram fr a 1998 Nissan 200sx se-r?
You can get a vacuum hose routing diagram for a 1998 Nissan 200SX SE-R from the dealership. You can also order one from the auto parts store.
Help on an vacuum hose.1998 ford f150?
More information. What help is rquired
Where do you spray to find a 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.
Where can you find a vacuum hose diagram for a 1997 Pontiac trans am?
97 trans am vacuum schematics
