My engine light came on ,i just repalce my air

looking at the engine to the left /passenger side front will see the air filter housing and a large black tube the m.a.f. is mounted inline with the tube next to the air filter box
How To Install Repalce MAF Mass Air Flow Sensor v8 5 3L GMC Envoy and XL...

the map sensor could be the problem for code P0101
hope it helps

P0103 - Mass or Volume Air Flow Circuit High Input

Possible causes- Dirty mass air flow sensor
- Dirty mass air filter
- Mass air flow sensor harness is open or shorted
- Mass air flow sensor electrical circuit poor connection
- Intake air leaks
- Faulty mass air flow sensor

Well your MAF or Mass airflow sensor is used to find out the mass of the air that enters a fuel-injected engine. If this is failing, it would send the computer into a "default" mode and turn on your check engine light. You can find this here: http://www.autozone.com/autozone/parts/2004-Kia-Spectra/Mass-Air-Flow-Sensor/_/N-jlophZ9gsmv?filterByKeyWord=mass+airflow+sensor&fromString=search
of course the prices will differ from city to city.

The selenoid is only used on the starter for starting the vehicle. Otherwise this vehicle is not equipped with any other selenoids used in the air intake.

the mass air flow sensor is locted between the air cleaner and the engine in the rubber air intake hose to the engine, below is a picture of your MAF sensor

The mass air flow sensor will be in the air intake going to the throttle body. Look for a 3-4" hose, trace that back to a box looking component. The sensor should be in there.

Charlie

Did you reset the system also sounds like you might be having ECM problems. I would try disconnecting the negative battery cable for a few minutes and reset the system and see if that helps. If that doesnt work I would have the computer checked out.

My check engine light came on and the code came back saying that the mass air flow sensor was out. All I did was change the air filter even though I really didn't think it needed it, the light went off and has not come back on yet. Knock on wood!

I just came from an Autozone, and then spoke with 2 Hyundai dealership service departments and they all three stated the P0113 code is the Intake Air Temperature sensor (IAT, also referred to as the Mass Air Pressure - MAP - sensor) on the engine, not an O2 sensor found in the exhaust system.

i will try to help. 171/174 indicates lean condition in engine. the mass air flow sensor is located in the rubber tube going to throttlebody. you can try to clean it. using mild carb cleaner safe for sensors, remove sensor from tube. spray clean the tiny wires located in the cylinder. do not touch them, they are very delicate. these engines are also notorious for leaking intake gaskets and faulty pcv valves. these will all set these 2 codes. feel free with anymore questions.