I'm pretty sure you will find it right after the air cleaner and the air cleaner outlet tube, it measures the air flowing into the engine. it helps to determine how long to hold the injectors open. you will need to unplug the wiring connected to it. Alot of time just removing it and spraying the inside with mass air flow cleaner spray will solve your problem without having to buy a new one.
Mas air flow sensor
yes
yes
I just bought one at Napa for about $35.
It is a Mass Air Flow sensor and it is located in the air filter box in a housing that allows air to flow through the air filter through the sensor then through the throttle in to the intake manifold Nate Smith DTCC Automotive Durham, NC
Inline with the air duct between the air filter and the throttle body.
Your car will run with the slow mode and it might die some times but still will run very slow. Try a mas air flow sensor spray (sold at any auto parts) if still does'nt work, change it.
Most Likely, No. It may need to be replaced.
Your mas air flow sensor could be goin bad. I have a 1996 probe and it runs great until you let off the gas then it dies evrytime instantly. Well it was MAF and TPS( mas air flow,Throttle position sensor)
an 03 Chevy does not have a map it has a mass air flow mas and it is in the duct that runs from the air filter to the throttle box
Its called a Mas air flow sensor and its located in your air induction that runs to your throttle body a wire should be located on your black hosing hose
MAS = mass airflow sensor, it measures the amount of air entering the intake plenum.