If the enigne can be restarted easily after it stalls, try applying a little accelerator pressure to keep the engine running between 2000 to 3000 rpm. If engine can run but is unstable, you have a problem with the idling system and possible causes are :
1. Vacuum leakages. Check for cracks between the air cliener (MAF) and throttle body. Any cracks on the air hose can cause that.
2. Dirty or faulty IAC ( Idle Air Control, Nissan calls it AACV, Auxiliary Air Control Valve). Have the throttle body and AACV cleaned, as you mentioned, with carb cleaner. When carb cleaner is used, you would have difficulty restarting so prolonged cranking and erratic running should be expected when restarting.
Is the Check Engine Light indicating and have you tried to retrieve for trouble codes?
Sunday, June 12th, 2011 AT 3:22 AM