how to reset check engine light after replacing mass air flow sensor

Also if the computer isnt the issue then it means one of the other sensors is probably off if the car isnt able to. Can someone please help.

How To Reset Mass Air Flow Sensor Quick Guide It Is My Car

Mass air flowcheck engine light.

. Idling The Engine. This is an indication that your ECU is reset. Most people especially at home fail to replace the sensor correctly resulting in the check engine light returning.

If you need to replace it with a new one install the new sensor instead of the old maf sensor. Check engine light on for mass air flow sensor after already replacing. First to cool your cars engine down you need to turn it off.

Hence when some codes are not in sync with the vehicles computer you will have the check engine light showing up again. Below is a detailed explanation of the steps you need to perform after resetting the mass airflow sensor. This is very important if you have just used the car.

It will be near the intake manifold or throttle body and it will likely have a large electrical connector going to it. Start engine and warm it up to normal operating. After the engine cools down you can go to the mass air flow sensor location and remove the connector from the sensors harness.

You now have to take the MAF out to clean it. If the car dies when you disconnect the mass airflow sensor then that means it was working right and that your computer has issues. Next turn the ignition to the o position but not crank the engine yet.

Do not touch the filaments while cleaning it. Below are several alternative methods to reset the mass airflow sensor Method 1. If you dont have any contact cleaner on hand using WD-40 or another similar product will work in a pinch.

Tried replacing the spark plugs and the air mass flow sensor but the problem still persists. IF you get another MAF code with the new sensor and after batt disconnect Your air filter is clogged. Ad Find Deals on maserati service light reset tool in Car Tools on Amazon.

The mass air flow sensor on your nissan d21 pick up has three wires attached to it. Plug in the MAF sensor and turn the engine on. Replacing the affected sensors is the best solution.

The codes are an essential tool in helping a technician detect a problem with the MAF sensor. If the new MAF doesnt detect proper airflow it will register as a bad MAF. Wait for about five minutes and then reinsert the fuse.

The reason you need to do this is for the computer to reset. What to do after replacing mass air flow sensor how to trick a mass air flow sensor What happens if you disconnect the mass airflow sensor When should you replace the MAF sensor. After you changed the MAF you needed to clear your code Without a tool you simply disconnect the battery for a few minutes.

The entire system can be reset by unhooking the battery and leaving it unhooked for 10 minutes. If it is the MAF and cleaning it was unsatisfactory it will be need to be replaced. Next spray a small amount of contact cleaner into the electrical connector.

Using a Paperclip You will need the assistance of a paperclip to carry out this mass airflow sensor reset method. A defective replacement is one of the most prevalent causes of a check engine light appearing following a MAF sensor repair. You should start from the engine and then beneath the hood.

However the check engine light just came back on again and is reading the same code for the mass air flow sensor. After that you should plugin the paperclip. I have a 2015 Nissan Sentra SR and a while back the check engine light came on and read code P0101 for mass air flow sensor.

A auto shop told me that one of the check-engine codes was. It isnt able to use the tables programmed in it to guess the amount of fuel needed. Then test the vehicle.

After replacing your mass airflow sensor allow your car to idle for 30 minutes to an hour disconnect the car battery for 10 to 15 minutes and reconnect it. How To Reset Check Engine Light After Replacing Mass Air Flow Sensor - Cleaned the maf sensor and unhooked battery to reset the computer check engine light came back on after a short drive. Insufficient maintenance False Alarms How to Replace a Mass Airflow Sensor Tips onPre-Instalment 1Disconnect the mass airflow sensor from the electrical.

How do you relearn a MAF sensor. If check engine light code P0172 persists after you have inspected the air intake system and cleaned the Mass Air Flow MAF Sensor perform a fuel pressure test. Check if the engine light is still on after the Mass Air Flow Sensor was replaced.

T tempestv8 Registered Joined Oct 6 2005 241 Posts 9 Oct 7 2011 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. Resetting the Mass Air Flow Sensor by Disconnecting the Battery Remove the old MAF sensor and replace it with a new one Before you connect the sensor with its harness disconnect the battery from the ground cable Leave it like that for around 10 minutes The whole system will be reset now. The task is very simple if you have the correct tools and software to do it the right way.

The check engine light will blink and then it will shut off. This problem may or may not be caused by the mass airflow sensor. I went and replaced the sensor and then cleared the code.

Up to 8 cash back First check to see what codes are being set which cause the Check Engine light to illuminate. Then pull the fuse for the ECU using the fuse pullers in the fuse panel. First locate the MAF sensor.

First you will have to locate the port. The MAF is located along the intake pipe directly after the air filter. Keeping the battery unhooked for longer than 10 minutes wont hurt anything.

8 Dirty Mass Air Flow Symptoms And Replacement Cost