Air Flow Sensors

AIR MONITORING DEVICES Submitted by :- GURDIT SINGH

INTRODUCTION OF AIR MONITORING DEVICES ,[object Object],[object Object]

MASS AIR FLOW SENSORS ,[object Object]

What is the use of MAF in cars ? ,[object Object],[object Object],[object Object],[object Object]

LOCATION OF AIR FLOW SENSORS Air cleaner AIR FLOW SENSOR Throttle body Air Intake Chamber Intake Manifold Cylinders The air flow sensor is located between the air cleaner and throttle body.

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VANE AIR FLOW SENSOR The vane air flow sensor consists of the following parts:- 1) Potentiometer 2) Air temperature sensor 3) Idle mixture screw 4) Fuel pump switch 5) By pass air passage 6) Spring loaded mechanical flap

WORKING OF VANE AIR FLOW SENSOR ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

TESTING VAF SENSORS ,[object Object],[object Object],[object Object]

PROBLEMS OCCURING IN VANE AIRFLOW SENSOR ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

SOLUTION FOR PROBLEMS ,[object Object],[object Object],[object Object],[object Object]

HOT WIRE MAF SENSOR The hot wire MAF sensor consists of following parts:- 1)Thermistor 2)Platinum hot wire 3)ECU

WORKING OF HOT WIRE MAF SENSOR ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

BENEFITS OF HOT WIRE MAF SENSOR ,[object Object],[object Object],[object Object]

PROBLEMS SEEN IN HOT WIRE MAF SENSOR ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

MAP SENSOR A manifold absolute pressure sensor (MAP) provides manifold pressure to the ECU.

WORKING OF MAP SENSORS The MAP sensor consists of:- 1)Silicon chip 2)Vacumn chamber 3)Filter

WORKING OF MAP SENSOR ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

TYPES OF MAP SENSORS ,[object Object],[object Object],[object Object],[object Object]

PROBLEMS DUE TO FAULTY MAP SENSOR ,[object Object],[object Object],[object Object],[object Object],[object Object]

DIAGNOSING MAP SENSORS ,[object Object],[object Object],[object Object],[object Object],[object Object]

BIBLIOGRAPHY ,[object Object],[object Object],[object Object],[object Object],[object Object]

Air Flow Sensors

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Air Flow Sensors