I have a 1992 Gran Prix with a 3.1 motor and I change my starter and battery and now I cannot control my idle?

I drove around the block and then started to run bad, even stalled once the car is tune up , and well maintained|||Idle relearn procedure


1. Disconnect battery for a min. to clear ECM memory.


Reconnect battery





2. Start and idle engine in gear with all the accessories off until the cooling fan comes on.





3. Shut the engine off.





4. Restart the engine and idle until the cooling fans come back on or for 5 more minutes.|||Look for a vacuum leak, try spraying some WD 40 around the engine (while it%26#039;s running), when it hits the leak the motor sound will change...