Mass air flow sensor problems chevy ford focus 2000

The airflow sensor readings at different rpms (e.g. 123000) must be compared to the specifications or to the readings of a known good sensor. Code P01in 20Chevy Sonic: How do I fix this problem?I have a 20Chevy Sonic with the check engine light on. Recently changed oil and filter. Mass airflow sensor problems can cause a variety of symptoms from the annoying to the must repair.

We'll discuss these in-depth on this page. A check engine light often comes on due to a dirty airflow sensor (MAS). Learn the symptoms of an MAS that needs cleaning, and how to clean it.

Code P01- Mass Air Flow Sensor Circuit Range/Performance

My Mass Air Flow sensor and the car was stalling all the time.Once we disconnected it, everything started to work fine again.

ACARDONE Remanufactured Mass Air Flow Sensors (MAFS) precisely track O.E.M. output curves and maintain specification tolerances to ensure accurate scan tool readings for proper operation. Ford Motorcraft and Fram disposable air filters are treated with oil. This makes us wonder if it is only the oil treatment from reusable lifetime air filters that is alleged cause a vehicle problem? The idea that oil comes off our filter throughout its life is truly ridiculous. A malfunctioning MAF sensor can cause a wild up/down engine idle speed (say, 0-0rpm).

This might be caused by a loose harness connection or by a damaged or contaminated sensing wire.