By letting the mass airflow sensor make the readings, it allows for the most accurate numbers if it is working properly. That is because the numbers the computer generates are for brand new engines, and conditions change with the engine as it ages. That is because even though your car can run without the mass airflow sensor, you shouldn’t do it for long periods. 2002-2003 maxima mass air flow sensor-100 100 (nyc > QUEENS/NYC) hide this posting restore restore this posting. This is because it will help you get the best gas mileage possible. Once you have driven your car enough to test the mass airflow sensor it is a good idea to plug it back in or replace it after you are done testing. Sometimes mass airflow sensors get shorted or stop working and need to be replaced.
2012 NISSAN MAXIMA MASS AIR FLOW SENSOR PROBLEMS HOW TO
We have a guide here on how to clean it, but cleaning your mass airflow sensor is really easy and can help it start working correctly.If cleaning the mass airflow sensor does not fix the issues that it was having, then it is time to replace it. If it was the mass airflow sensor that is working improperly, then the first thing you should do to it is to clean it. If it doesn’t, then you know you need to look at one of the other sensors. If it does, then you know it was that sensor. You can drive your car a bit and see if it runs correctly with the sensor disconnected. Whenever your car is running rough, backfiring, or seeming to have issues with the fuel mixture, it is a good idea to unplug the mass airflow sensor. So, now that you know the reasons for unplugging the mass airflow sensor, the next question is when you should do it? When should you disconnect the mass airflow sensor?
So as you can see disconnecting the mass airflow sensor is actually a good way to test a variety of things. Also, if the computer isn’t the issue, then it means one of the other sensors is probably off if the car isn’t able to keep running without the mass airflow sensor because the sensor was helping the car compensate for the other issues that it was having. I own a 2012 Morano with 66, i’m very upset. If there is a problem with their transmission, p0101 is for the mass air flow sensor. It was when it was under the warranty at the time. RB30DET R31 RB30E block, R32 RB25DE head. It isn’t able to use the tables programmed in it to guess the amount of fuel needed. On his way to school we encountered a lot of stop nissan maxima mass air flow sensor go traffic. If the car dies when you disconnect the mass airflow sensor, then that means it was working right and that your computer has issues. On top of testing the mass airflow sensor by disconnecting it, you can also test some of your vehicles other sensors by disconnecting the mass airflow sensor. Well, the main reason is to test the mass airflow sensor and see if it is working right.Īs has been mentioned by driving without it you might get better gas mileage and if that is the case, then it is a sign that you should clean or replace your mass airflow sensor because it is giving false readings. So, why might you want to disconnect the mass airflow sensor and drive around like that? That is because if the sensor is bad or giving a wrong reading, then the cars guess might be closer to the actual amount of air that the engine is getting giving you a more accurate fuel mixture. This means that if your mass airflow sensor dies completely, then your car will stay running and surprisingly the car might run better without the mass airflow sensor. Stop engine and reconnect mass air flow sensor harness connector. Restart engine and let it idle for at least 5 seconds. Disconnect mass air flow sensor harness connector. 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.
If you disconnect the mass airflow sensor, then the car should keep running and still be able to start normally.
So, since the mass airflow sensor is used to measure air intake into the engine to keep the car running correctly, then what will happen if you unplug the sensor? Will the car die or stop running? The symptoms of a bad mass air flow sensor include low engine power, poor fuel economy. What Happens If You Disconnect Mass Air Flow Sensor? The basic purpose of the mass airflow sensor is to measure the amount of air that is going into the engine so your car can release the proper amount of gas into the engine, so the car is able to run correctly. If you want a technical definition of how a mass airflow sensor works, then you can take a look at the article we have here, but for this article, we will just cover the basic function of the mass airflow sensor. W203 p0221.What Happens If You Disconnect Mass Air Flow Sensor? What does Mass Air Flow Sensor do?īefore going into detail on what will happen when you disconnect the mass airflow sensor it is important to understand what it actually does.