Saab mass air flow sensor symptoms

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.The faulty mass airflow sensor and how to fix the problem written by: nandy A vehicles MAF or mass airflow sensor, is the element that measures the density and flow of the air passing in to the combustion section.It assists the vehicles computer activate the air ratio to fuel.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. MAF sensor may be hard to start or stall after starting.

It may hesitate under loa surge, idle rough or run excessively rich or lean.

How to tell you got a bad MAF

Mass Air Flow Sensor May Cause Driveability Issues on Nissan SentraThe mass air flow (MAF) sensor can fail, causing various drivability problems. Our technicians remind us that proper diagnoses should be performed to confirm the cause of any driveability concerns.

Mass Airflow Sensor Replacement is between $2and $466. Labor costs are estimated between $and $while parts are priced between $2and $396.Get a personalized estimate based on your location and specific car. Other symptoms, LTFT running in the 20% range, and definite hesitation when hard accelerate from 3500-45RPM range. New MAF in and nO CEL codes.

Common symptoms related to a failed or faulty mass air flow meter include an erratic idle, stalling, or inability to hold idle, loss of power, reduced gas mileage, bad throttle response, or even a no-start condition. When diagnosing a faulty mass air flow sensor, it is important to check for oil or dirt contamination, intake leaks after the sensor (such as cracked broken vacuum lines, air intake hose, throttle body or intake manifold leaks), and broken or frayed wiring.