97 nissan pickup mass air flow sensor problems

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. 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.

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? 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. 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.

97 nissan pickup mass air flow sensor problems