how to reset mass air flow sensor bmw

Intake manifold flap actuator. Your car has a lot of sensors and this is just one that helps your car run properly.

Bmw E90 Mass Air Flow Sensor Replacement E91 E92 E93 Pelican Parts Diy Maintenance Article

Make sure DTC P0102 is visible on the display.

. Next disconnect air flow meter electrical connector by pressing wire clip purple arrow and pulling it straight off. The PCM detects that the actual MAF sensor frequency signal is not within a predetermined range of the calculated MAF value for more than 40 seconds. Ratio of calculated to measured air mass too high.

Remove the sensor from the intake air duct. I always reset DME adaptations using BMW Scanner 14 or INPA and clear trouble codes after replacing parts that affect the fuel or air control such as MAF O2 sensors ICV throttle body etc. That brings up the question of can your car run without the mass air flow sensor.

The mass airflow sensor is one of the most important sensors on your car. Remove the MAF sensor from the throttle body. Then unclip the two spring clips green arrows that hold the mass air flow sensor.

Stop engine and reconnect mass air flow sensor harness connector. A replacement mass air flow sensor can cost anywhere from 20 to 600. But I want to force the DME to start over especially if the replaced part was severely bad.

BMW Diagnostics with ISTA - How to reset mass air flow MAF adaptation values with ISTA DThe information contained on this video are for educational and info. The airflow sensor collects details to determine the amount of needed fuel. The mass air flow sensor or MAF sensor is part of the intake system in BMW X3 responsible for measuring the amount of air entering the engine.

Position the MAF sensor on the throttle body. How to replace maf sensor on bmw e90 e91 e92 e93 323i 325i 328i 330i 335i 325xi 328xi 330xi original maf sensor. Intercooling of charge air.

Hold over paper towel on workbench spray with MAF cleaner. Allow the engine to idle for at least five seconds after restarting it. Returning learned values of the intake system to the initial state.

Install a new mass air flow sensor into the air filter housing. Remove the old MAF sensor and replace it with a new one. Replacement for BMW part 13627567451.

As mentioned above the mass air flow sensor on the n52 engine is conveniently located on the air intake pipe next to the intake muffler air. Just double checked on my BMW system hex code would be 3ff0 air-mass flow sensor. Replacing a mass air flow sensor is fairly straight forward so most of the cost comes from the cost of the part and not the labor.

Tighten the mounting screws to 27 in lb 3 Nm. Figure 9 Working in the engine compartment loosen air flow meter clamp green arrow then disconnect the air duct from air flow meter by pulling straight off air flow meter. Lifted from X forums.

Dont know if this works the same for every vehicle tho. Make sure DTC P0102 is displayed. Connect the mass air flow sensor harness connector after stopping the engine.

The mass airflow sensor is the component used for detecting the flow of air that is entering the engine of a car. Use q-tip or MAF cleaner soaked paper towel to gently clean exposed wire sensor. The Mass Air Flow Sensor harness connector needs to be disconnected.

Leave it like that for around 10. When replacing inspect the plastic intake air ducts for cracks or dry rot. Driving your X3 with a bad MAF sensor can damage the engine so you must act urgently to avoid more expensive repairs.

BMW - Mass air flow sensor reset Coverage in BimCOM. Connect the mass air flow MAF sensor electrical connector. The mass airflow sensor is a key sensor in your car.

Resetting the Mass Air Flow Sensor by Disconnecting the Battery. Mass air flow sensors accuracy skews over time and can lead to fault codes or drivability problems. The following learned values will return to the initial state.

If stuck use a small flathead screwdriver to gently lever it out of the duct. This is just a matter of course and often may not be needed. Disconnect the mass air flow MAF sensor electrical connector.

If you are going to replace the MAF yourself then Id always recommend buying an OEM mass air flow sensor. Remove the MAF sensor mounting screws. Then it goes into learn mode and may take a little while before it learns all the parameters of the new MAF sensor.

Remove plastic cover protecting MAF harness. Install the MAF sensor mounting screws. After collecting the information the details will be sent to the Engine Control Unit.

Disconnect mass air flow sensor harness connector. Before you connect the sensor with its harness disconnect the battery from the ground cable. Restart engine and let it idle for at least 5 seconds.

In this article we will look at what happens when you disconnect the mass airflow sensor. HFMMass Air Sensor VDO - E46 330i 01-03 E39 530i E53 X5 30 Z3 30 OEM air flow sensor restores peak engine performance. Remove 2x torx screws for MAF.

Remove the two T20 Torx fasteners from the mass air flow sensor green arrows. Turn off the ignition switch. When you change a MAF sensor you need to disconnect the battery for about 10 minutes so the computer forgets the learned parameters and resets to the factory parameters.

DONT FORGET TO SUBSCRIBE FOR MORE VIDEOSResetare adaptări debitmetru bmw e46 e90 e92 f30 f10. Erase the DTC memory. It tells the engine how much air to use as fuel and if it isnt working properly you can experience a number of problems including poor gas mileage difficulty starting the engine.

The mass air flow sensor monitors air flow into the engine and creates a digital signal for the DME. Code 3263 oxygen sensor.

Bmw E90 Mass Air Flow Sensor Replacement E91 E92 E93 Pelican Parts Diy Maintenance Article