how to find a vacume leak on a1999 cougar
It has a vacuum leak somewhere.
vacuum leakTo
Vacuum leak in a/c door control system . Look for vacuum leak under the hood.
You need to take it to a Ford dealership with service department, they can then put your vehicle on a machine that they hook up to your vacuum system and pump smoke through it to find the leak. Usually cost like $100.00
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.
Normally a rough running engine at idle or low RPMs is caused by a vacuum leak. This car is 8 years old. If it has over 75,000 miles on it, and has not had new plugs and plug wires installed, do so now. Also check for a vacuum leak. Replace any broken or cracked vacuum hoses one at a time as to not get confused.
Vacuum leak, faulty EGR valve. Check whatever has been worked on most recently.
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?
I guarentee its a vacuum leak... i had a 1997 sable 174 and 171 all the time turned out to be a vacuum line
check pcv hose elbow for vacuum leak.
Check all vacuum lines under hood and dash - check vacuum operated motors-- Get a hand held vacuum pump might make job easier