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

After several starts the check engine prom will eventually correct itself and reset. After changing the mass air flow sensor 2 times I finally got a Nissan Mass Air Flow sensor since the Nissan Dealership told me it had to be the original sensor not aftermarket.

Top 7 Reasons Your Check Engine Light Is On Yourmechanic Advice

Check engine light on for mass air flow sensor after already replacing.

. I also changed the connector for the mass air flow sensor. All I just cleaned my mass air flow sensor on my 06 bmw x3 but my service engine light is still on. Up to 20 cash back Here is the tsb on replacing the Mass Air flow sensor.

Before replacing the mass air flow sensor try replacing the air filter and cleaning the air flow sensor with low compress air or mass air flow sensor cleaner. Check if the engine light is still on after the Mass Air Flow Sensor was replaced. A auto shop told me that one of the check-engine codes was for the mass airflow sensor.

But if your check light is still on even after three days then either apply the above-mentioned. After collecting the information the details will be sent to the Engine Control Unit. Replace the engine light once the Mass Air Flow Sensor has been replaced.

Check if the engine light is still on after the Mass Air Flow Sensor was replaced. Once youve replaced your vehicles O2 sensor youll need to reset the ECU so it can properly gather information from the new O2 sensor. For example if the ECU detects a problem in the oxygen sensor that could occur due to a minor glitch then it might fix automatically as the ECU will update the sensors status once the glitch is removed setting off the check engine light.

Each time it would go about one week before my check engine and slip indicator light would return with a p0101 code and the car would go into limp mode which prevents me from accelerating above 2500 rpm and to idle rough. The entire system can be reset by unhooking the battery and leaving it unhooked for 10 minutes. However Check Engine Light came back.

Check for air leaks on or around any intake pipework using a good spraying of carb cleaner if the engine surges then thats the leak. The ECU then adjusts the air-to-fuel ratio to optimize the fuel combustion. Stop engine and reconnect mass air flow sensor harness connector.

When replacing the sensor especially at home most people do not accurately make the replacement causing the check engine light to appear again. I just had it serviced for check engine code 171-BANK 1 system. The check engine light came on a little bit ago and we got it tested and it was the mass air flow sensor we recently about 2 weeks ago changed it but the engine light remains on and i know its supposed to take a minute to go out but its been longer now also every time i get gas it did this before i changed the MAF as well and was a result of needing to change it and i.

I need to get this fixed soon so I can get my emission test passed. The airflow sensor collects details to determine the amount of needed fuel. DiY Cleaning Of MASS AIR FLOW SENSOR and AIR FILTER replacement - MOST COMMON CHECK ENGINE LIGHT PROBLEM - Attention - ONLY USE _.

Is there any way to reset the light without going to the dealer. Do I have to reset the computer after installing a. In this article we will look at what happens when you disconnect the mass airflow sensor.

The entire system can be reset by unhooking the battery and leaving it unhooked for 10 minutes. Im driving a 2001 Nissan Pathfinder LE 35. Spending 50 for a new spark plug wire can help you figure out how long it takes for the check engine light to come back on after reset.

Up to 8 cash back My car has 129000 miles. One of the most common causes of check engine popping up after MAF sensor replacement is having a faulty replacement. Posted on Jun 21 2009.

Erase the DTC memory. 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. He told me that replacing the sensor was an option or another avenue was to first try cleaning it to see if the check engine light stayed on after cleaning.

Basically the MAF sensor measures the amount of air flowing into the engine through the air cleaner assembly which contains the air filter and connects to the throttle body. Keeping the battery unhooked for longer than 10 minutes wont hurt anything. No after you change the mass air flow sensor the problem is fixed.

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

Reset code and drive vehicle. The entire system can be reset by unhooking the battery and leaving it unhooked for 10 minutes. Turn ignition switch OFF.

Start engine and warm it up to normal operating temperature. 11 months ago I failed AirCare because the Service Engine Soon light was on. Keeping the battery unhooked for longer than 10 minutes wont hurt anything.

It wont harm anything if you keep the battery unhooked for longer than 10 minutes. Mass airflow sensor failure The mass air flow sensor monitors the amount of air entering your engine and is a huge component of your engine management system. How Do You Reset Check Engine Light After Replacing Maf Sensor.

I have replaced my MAF sensor three times in the last seven months as recently as two weeks ago. The check engine light may stay on for a few times after you start the car. Your car has a lot of sensors and this is just one that helps your car run properly.

Make sure DTC P0102 is displayed. How the MAF Works. I went and replaced the sensor and then cleared the code.

The mass airflow sensor is a key sensor in your car. You only have to reprogram the computer if necessary. Keeping the battery unhooked for longer than 10 minutes wont hurt anything.

I solved the problem. That brings up the question of can your car run without the mass air flow sensor. Check if the engine light is still on after the Mass Air Flow Sensor was replaced.

Before we jump into the diagnostic lets take a look at how the MAF sensor works so the procedure makes sense to you. The mass airflow sensor is the component used for detecting the flow of air that is entering the engine of a car. If you leave the battery unhooked for 10 minutes it is possible to reset the entire system.

Sometimes an O2 sensor fails and you need to replace it. Turns out it was a dirty Throttle.

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