Air flow mass meter symptoms e46

Mass air flow sensors accuracy skews over time and can lead to fault codes or drivability problems. When replacing, inspect the plastic intake air ducts for cracks or dry rot. 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.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. The HFM is easy to replace and could cure a variety of problems. We also sell HFM sensor cleaner that may clear your problem (see below).

BMW MAF Sensor idle problem symptom Part

We sell OEM air mass sensors, air flow meters, and HFMs (Hot Film Meter) for many BMWs. When the mass air sensor is bad you will notice your engine running out of tune.

ICV (Idle Control Valve), TB (Throttle Body) and MAF (Mass Air Flow) Sensor cleaning. Many people pay no attention for these parts, however their clean-up turns your car upside down in performance, idle and fuel consumption. Check Engine Light to come on and engine starting/running problems.If the mass airflow sensor (MAF) is not functioning correctly, the vehicle may lack power when accelerating or going up hills.