What is mass or volume airflow A circuit range performance?
The mass airflow (MAF) sensor is a device that is mounted on the air intake. Its job is to measure the density and, therefore, the volume of filtered air that is drawn into the engine. When the PCM perceives the sensor or its circuit is malfunctioning, OBD-II code P0101 is triggered.
How far should MAF sensor be from throttle body?
10″
Chevrolet Performance recommends the MAF be at least 10″ from the throttle body. This is to move the sensor far enough away from intake pulses which could disrupt the reading. Being at least 10″ from the throttle body will give the MAF more consistent airflow to read.
What should the mass air flow sensor?
The mass air flow sensor measures the air mass flowing into the engine intake. Measuring air mass is critical in calculating how much fuel to add to achieve the correct air-fuel ratio (AFR). The ideal AFR is 14.7:1 (14.7 pounds of air to 1.0 pounds of gasoline), but real-world AFR varies.
Where do you put a MAF sensor?
With the mass air flow cleaner and tools in hand, locate the MAF sensor in the air duct between the air filter box and the throttle body.
What does the p0101 sensor on a Toyota mean?
P0101 TOYOTA Meaning The Mass Air Flow (MAF) sensor is placed in the stream of intake air. It measures the intake flow rate by measuring a part of the entire intake flow. It consists of a hot film that is supplied with electric current from the Engine Control Module (ECM).
What can a bad MAF sensor do to a Toyota 4Runner?
The mass airflow sensor (commonly abbreviated to MAF) is one of the most important engine management sensors. A bad mass airflow sensor can leave your Toyota 4Runner’s engine running rough, or even inoperable. A MAF sensor measures the density of the air entering the intake manifold.
How much does it cost to repair a Toyota mass air flow sensor?
Reset code and drive vehicle. If the code comes back, it may be necessary to replaced the mass air flow sensor. The cost of diagnosing the P0101 TOYOTA code is 1.0 hour of labor. The auto repair’s diagnosis time and labor rates vary by location, vehicle’s make and model, and even your engine type.
How much does it cost to diagnose the p0101 code?
Labor: 1.0 The cost of diagnosing the P0101 code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour. When is the P0101 code detected?