how to reset mass air flow sensor bmw

Remove the Torx screws that hold the mass airflow sensor in place. Remove the sensor from the intake air duct.

Can A Dirty Mass Air Flow Sensor Cause Misfire Palumbo S Unlimited Automotive

Remove the two T20 Torx fasteners from the mass air flow sensor green arrows.

. But if you let the car idle instead then the mass air flow sensor should reset. Install the new MAF on your BMW. Pull out the air flow sensor and clean it properly.

Make Model Car parts category Find. Unplug the electrical connector. Resetting the Mass Air Flow Sensor by Idling the Engine.

Cleaning dirty MAF sensor in BMW X1. Erase the DTC memory. Install the MAF sensor mounting screws.

If the car dies when you disconnect the mass airflow sensor then that means it was working right and that your computer has issues. Install a new mass air flow sensor into the air filter housing. Unplug the electrical connector.

Disconnect the mass air flow MAF sensor electrical connector. 12 people found this helpful. Find the location of the MAF sensor in your X1 it will be somewhere between the air filter box and the throttle body.

Remove the connector with the harness of the sensor. Let soak the lower section of your mass air flow sensor not the plug part in acetone or another solvent for a few minutes which will take out most of the grime. How to change Mass Air Flow Sensor on your BMW car yourself.

If you need to replace it with a. Locate the mass airflow sensor by the engine air filter housing on the drivers side. There are two quick and easy approaches to process this task.

We sell oem air mass sensors air flow meters and hfms hot film meter for many bmws. The engine still drove like it was a bit breathless so I bit the bullet and bought a brand new MAF sensor. Connect the mass air flow MAF sensor electrical connector.

Spray at least 10 spurts of MAF cleaner onto the sensor and then let it air. Disconnect mass air flow sensor harness connector. 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.

Disconnecting The Battery Disconnecting The Battery You can start by removing your old sensor. Perform this coding also after removing the leak on the intake system. Find the location of the MAF sensor in your X3 it will be somewhere between the air filter box and the throttle body.

The hood release is located under the dashboard on the drivers side. I bought a 2004 X3 recently and even though the Check Engine light was not on I did buy a can of Mass Air Flow sensor cleaner and cleaned the MAF. Ratio of calculated to measured air mass too high.

There is a sensor on the air intake called the mass air flow sensor. Remove the MAF sensor from the throttle body. Unplug the electrical connector from your BMW mass airflow sensor.

Vehicle may idle rough and stall. Fig10 Select YES to reset adaptation 5 Fig11 Switch Off Ignition for at least one minuteand Select OK Fig12 End of Reset Procedure Select OK to go back to Engine Menu 6 Fig13 To Check if Air-Mass has been reset Select Air-Mass Flow Sensor Adjustment again and Stored information should be 00 as above To exit Select NO. When the battery is removed all MAF sensors will be reset in about 10 to 15minutes time.

Use q-tip or MAF cleaner soaked paper towel to gently clean exposed wire sensor. The transformation was remarkable - the engine seemed to pull with. How to Reset the Mass Air Flow Sensor.

Then it goes into learn mode and may take a little while before it learns all the parameters of the new MAF sensor. Changing BMW Mass Air Flow Sensor yourself manuals and video tutorials. Remove the MAF sensor mounting screws.

Then unclip the two spring clips green arrows that hold the mass air flow sensor. Intake manifold flap actuator. Just double checked on my BMW system hex code would be 3ff0 air-mass flow sensor.

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. We sell oem air mass sensors air flow meters and hfms hot film meter. Resetting your car s mass flow sensor can also deal with some problems related to this part.

Use a flathead screwdriver to unfasten the air intake hose clamp at the throttle body. Intake manifold flap actuator. The code for it was 0 928 400 529.

Position the MAF sensor on the throttle body. Also if the computer isnt the issue then it means one of the other sensors is probably off if the car isnt able to. Returning learned values of the intake system to the initial state.

Helpful guides and tips on replacing BMW Mass Air Flow Sensor. Turn off the engine and let it cool down if youve been driving. 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.

Remove the sensor from the housing. Httpsamznto2KqcW0BIn BMW terminology - Hot Film Air Mass Meter - which is also known as a MAF or mass air flow s. 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.

Cleaning dirty MAF sensor in BMW X3. You can either reset it by disconnecting the battery or idling the engine. CRC MAF Mass Air Flow Sensor Cleaner.

I always got a 3ff0 which tell me that air flow meter sensor is bad. Next disconnect air flow meter electrical connector by pressing wire clip purple arrow and pulling it straight off. Spray at least 10 spurts of MAF cleaner onto the sensor and then let it air.

The following learned values will return to the initial state. Code 3263 oxygen sensor. Remove the sensor from the housing.

How To Reset Mass Air Flow Sensor Bmw - Is there any way to reset the light without going to the dealer. Remove the clips securing the air filter housing and lift out the air intake tube. 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.

Only show this user. Tighten the mounting screws to 27 in lb 3 Nm. Intercooling of charge air.

Open the hood of your BMW. It isnt able to use the tables programmed in it to guess the amount of fuel needed. If stuck use a small flathead screwdriver to gently lever it out of the duct.

The stored compensation factors are reset to 0 in the process.

How To Reset Mass Air Flow Sensor It Is My Car