What should the MAF sensor be running at on reading?
The MAF sensor simply measures the mass (amount) of air coming into the engine so that the PCM can add the correct amount of fuel. A rule of thumb on a MAF’s air flow rate at 500 rpm is 1 gram per second per liter of engine displacement. It looks like this reading is 9.07 g/s so was your RPM about 833 or idle?
Is there a problem with the mass air flow sensor?
If the mass air flow reading is within specification while a concern comes and goes then it is not likely the problem. Be sure to check all air intake connections and gaskets, as well as the air filter before faulting the sensor, as these types of concerns can affect readings.
Can a fuel trim correction cause a MAF problem?
Large fuel trim corrections—either positive or negative—are often the only initial pointer to MAF sensor problems. Again, any and all air leaks downstream of the MAF sensor must be repaired first. Since accurate fuel trim corrections depend on correct O 2 sensor outputs, you must verify the functionality of these sensors first.
What happens if the content of NOx still is 0 ppm?
If the content of NOx still is 0 ppm or/and becomes 0 ppm, the NOx sensor is damaged (the sensor element has aged) and it (the sensor) has to be replaced.
The MAF sensor simply measures the mass (amount) of air coming into the engine so that the PCM can add the correct amount of fuel. A rule of thumb on a MAF’s air flow rate at 500 rpm is 1 gram per second per liter of engine displacement. It looks like this reading is 9.07 g/s so was your RPM about 833 or idle?
What happens when a mass air flow sensor goes bad?
The mass air flow (MAF) sensor, part of your vehicle’s electronic fuel injection system, is responsible for calculating the total amount of air entering the engine. A faulty MAF sensor can cause your vehicle to run too rich or run too lean.
Large fuel trim corrections—either positive or negative—are often the only initial pointer to MAF sensor problems. Again, any and all air leaks downstream of the MAF sensor must be repaired first. Since accurate fuel trim corrections depend on correct O 2 sensor outputs, you must verify the functionality of these sensors first.
What is the code for mass air flow sensor?
This Code’s full read out is: P0101 – Mass Air Flow Sensor Circuit Range/Performance. The engine computer uses the MAF sensor signal to determine how much fuel needs to be injected to meet the proper air-fuel ratio.