Quote Originally Posted by oj88 View Post
On the contrary, if there's a leak in the system AFTER the MAF, there's no way for the fuel system to meter the leaking air. In which case, the car would go lean (more air than gas) which will have a tendency to raise the idle RPM.

Personally, I think the problem may lie with the necessity to recalibrate the idle RPM using a diagnostic computer (if it's OBD/OBD-II). This is usually the case when the throttle body is repaired, cleaned or replaced. At least, that's how it is on Hondas.
help po baka me idea kayo kac po nagpalit ang michaniko k ng engine valve tinangal din niya ung throttle bigla nasira ung airflow sensor pag kinabit siya namamatay ung makina pag wala umaandar siya kaya lang matakaw sa gas-please help