I did three things and then i got it to work.
1. I checked the vac hose for the power brake booster & everything was good, secure and tight, but the problem was not fixed.
2. I reaplced the Idle Air Control Valve and problem was still there.
3. I reaplaced the throttel and now it works. Not only my car runs normal, but it runs better. Runs line new.
Actual problem: The flap in the throttel was stuck in open position.
Solution: I replaced the Throttel