Nissan Repair: Q45 engine stalls on take off, mass airflow meter, air intake hose

Question
I have a 1999 Q45 infinity it  idles fine untill u put it in drive and it stalls ,replace fuel and air filter

Answer
Robert,

If the sparkplugs are fresh then I would be looking at the idle air control valve or the idle dashpot on the throttle body not bumping up the idle when the car is loaded in drive.  Also, make sure the air intake hose going from the mass airflow meter to the throttle body is not cracked and the clamps are not loose.  I have seen a couple where this hose was loose or cracked and when the engine loads, it moves just a little, in the engine compartment and then it does when the crack opens up or the hose pulls from having a loose clamp.