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

Well the answer to that is no. The MAF sensor is one of the prominent sources the ECU gets the information signals it uses to decide the air-fuel ratio for the engine.

Mass Air Flow Sensor Maf Cleaning Diy Family Handyman

After the engine cools down you can go to the mass air flow sensor location and remove the connector from the sensors harness.

. Engine light was still on. The air intake system consists of tubes made of plastic or metal. 8 Jun 11 2011.

A defective replacement is one of the most prevalent causes of a check engine light appearing following a MAF sensor repair. This is very important if you have just used the car. If it is the MAF and cleaning it was unsatisfactory it will be need to be replaced.

Do not touch the filaments while cleaning it. Ad Find Deals on maserati service light reset tool in Car Tools on Amazon. Remove the connector with the harness of the sensor.

Up to 8 cash back First check to see what codes are being set which cause the Check Engine light to illuminate. By removing this part you will see a MAF sensor located between the engine and the filter. Have 2013 cts-v engine light came on stays on.

When replacing the sensor especially at home most people do not accurately make the replacement causing the check engine light to appear again. Taking Part Air Intake System To Find MAF Sensor. Had it diagnosed as running to lean sensor bad.

This problem may or may not be caused by the mass airflow sensor. Switch off the ignition. Most people especially at home fail to replace the sensor correctly resulting in the check engine light returning.

A bad MAF sensor would alter the ECU algorithms so when you install a new one. I went and replaced the sensor and then cleared the code. Keith December 24 2018 640pm 2.

If you disconnect the mass airflow sensor then the car should keep running and still be able to start normally. Drove car for 10. Turn back the engine but leave it on idle for about 10 seconds.

Disconnect the harness connector from the mass airflow sensor. 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. For instance the Ford cars often have this part sitting behind the filter.

Idling The Engine. Restart engine and let it idle for at least 5 seconds. Disconnect mass air flow sensor harness connector.

The MAF or mass airflow sensor measures the amount of air flowing into your engine and helps the computer to determine how much fuel to inject. Not resetting the cars computer ECU The second and the. Then it goes into learn mode and may take a little while before it learns all the parameters of the new MAF sensor.

However the check engine light just came back on again and is reading the same code for the mass air flow sensor. Asked by Visitor in Cedar Park TX on December 06 2018. 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.

I hit a bump yesterday and the check engine light came on. This is because the computer in the car if it does not receive a reading from the mass airflow sensor will estimate and supply a number that it thinks it is supposed to have. Start engine and warm it up to normal operating temperature.

Of the thousands of possible codes that can be thrown it is fairly unlikely that the MAF is the cause. You now have to take the MAF out to clean it. This is the most effective way to solve problems with the newly-installed Mass Airflow Sensor MAF Sensor.

Can someone please help. 2013 Cadillac CTS. Car runs fine 1 Answer I was only going about 2 miles an hour went thru a cracked piece of driveway in shopping center bit of a pot hole check engine light came on immediately after.

The MAF is located along the intake pipe directly after the air filter. There are many possible causes for the Check Engine Light to come on besides the mass airflow sensor. Stop engine and reconnect mass air flow sensor harness connector.

First to cool your cars engine down you need to turn it off. Turn off the engine and reconnect the disconnected harness connector of. Resetting the Mass Air Flow Sensor by Idling the Engine.

Answer 1 of 2. How to Reset Mass Airflow Sensor. One of the most common causes of check engine popping up after MAF sensor replacement is having a faulty replacement.

I replaced the Mass Air Flow Sensor. Pull out the air flow sensor and clean it properly. Turn ignition switch OFF.

Read the codes before attempting repairs. If you need to replace it with a new one install the new sensor instead of the old MAF sensor. Turn off the engine and let it cool down if youve been driving.

Pin On Viriato