The ECU will then deliver the required amount of fuel to the engine. read also the 8 Symptoms of bad mass air flow sensor in my previous article. After collecting the information, the details will be sent to the Engine Control Unit. The airflow sensor collects details to determine the amount of needed fuel. The mass airflow sensor is the component used for detecting the flow of air that is entering the engine of a car. I also discussed the Mass airflow sensor replacement cost and much more. If you find what to do after replacing mass air flow sensor or maybe you like to know how to reset mass air flow sensor after replacement and how to trick a mass air flow sensor and if you should even perform the tricking in the first place, then you have come to the right place. Please note that the tool that you receive after placing an online order may be in a used but operable condition due to the nature of the Loan-A-Tool® program.Last updated on July 13th, 2023 at 05:06 pm Do not wear ties or loose clothing when working on your vehicle.įREE Loan-A-Tool® program requires returnable deposit. Should electrolyte get on your body or clothing, neutralize it immediately with a solution of baking soda and water. Always wear gloves and safety glasses and other personal protection equipment, and work in a well-ventilated area. Sulfuric acid is caustic and can burn clothing and skin or cause blindness. Use caution when working with automotive batteries. Always disconnect the negative battery cable before servicing an electrical application on the vehicle to protect its electrical circuits in the event that a wire is accidentally pierced or grounded. Always chock your wheels prior to lifting a vehicle. Refer to the service manual for specific diagnostic, repair and tool information for your particular vehicle. Information is accurate and true to the best of AutoZone’s knowledge, however, there may be omissions, errors or mistakes.īe sure to consult your owner’s manual, a repair guide, an AutoZoner at a store near you, or a licensed, professional mechanic for vehicle-specific repair information. Clogged-up cat converter or restricted exhaustīecause there are other potential causes besides the bad MAF sensor, it’s worth looking into these other possibilities so you are positive this code is being caused by the sensor before you go about replacing it.Īdvice, how-to guides, and car care information featured on and AutoZone Advice & How-To’s are presented as helpful resources for general maintenance and automotive repairs from a general perspective only and should be used at your own risk. Clogged or improperly installed engine air filter. This code is most commonly caused by a dirty, obstructed, or faulty MAF sensor, but can also be caused by issues including: The MAF sensor signal is also used to calculate engine load, meaning it can cause trouble for the traction control system, or change the automatic shifting pattern in applicable vehicles. The engine computer uses the MAF sensor signal to determine how much fuel needs to be injected to meet the proper air-fuel ratio. This Code’s full read out is: P0101 – Mass Air Flow Sensor Circuit Range/Performance. If you don’t have a code reader, stop by AutoZone to use our free Fix Finder program. If your Check Engine Light is on, use a code reader to see what diagnostic trouble codes the system puts your way.
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