When you put your key into the ignition and twist it, you may find the engine is difficult to turn over or start altogether. This will ultimately hinder the performance of the engine. Meanwhile, there is very little gasoline being burnt in the process. The “lean” word refers to the abundance of air and not enough fuel. When you have a lean idling problem with your engine, this is the result of too much air and not enough gasoline getting mixed together in the internal combustion chamber. Sometimes these symptoms may be due to other reasons, but you should still have your mass air flow sensor inspected if you experience at least a few of these symptoms that are listed below. You just need to be able to recognize the symptoms as they occur so that you will know to associate them with a possibly faulty mass air flow sensor. Check these troubleshooting and repair guides for more help on your Toyota.A bad MAF sensor is fairly easy to detect from the very beginning. We hope you find the Mass Air Flow (MAF) Sensor Replacement Toyota Camry 2012-2017 guide helpful. Replacing the mass airflow sensor on a Toyota Camry is very easy. Start the vehicle a few times and recheck the engine light.Ī generic OBD-II scanner can clear the check engine light, but if you want a more professional OBD-II scanner, use the YOUCANIC Full System Scanner, which can read and clear fault codes through every vehicle’s control module.Get the scanner, go to the diagnostic menu again, and erase the code.As long as there is no other issue, the check engine light should stay off. Clear the fault codes with the OBD-II scanner. Go to the driver’s seat, start the vehicle, and start the engine.Reinstall the screws and reconnect the electrical connector.Get the new sensor and install it into the air filter housing.Remove the screws holding the sensor using a Philips screwdriver.Disconnect the connector by squeezing the connector and pulling it out.Open the hood and locate the mass airflow sensor above the air filter housing or airbox.Set the scanner to the diagnostic menu and go to Read Codes (stored).Insert the key into the ignition switch and turn it to the accessories menu.Connect the OBD II Scanner on the OBD II port below the dashboard.Unlock the vehicle and open the driver’s door.
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