1. Start engine and warm it up to normal operating temperature.
2. Turn ignition switch OFF.
3. Disconnect mass air flow sensor harness connector.
4. Restart engine and let it idle for at least 5 seconds.
5. Stop engine and reconnect mass air flow sensor harness connector.
6. Make sure DTC P0102 is displayed.
7. Erase the DTC memory. “
Contents
How long does it take for mass air flow sensor to reset?
How long does it take for mass air flow sensor to reset? 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.2 mar. 2021
Does mass air flow sensor need to be programmed?
Whether you are to reprogram the mass airflow sensor or not after replacing, it depends on the model of your car. Most cars might require for the ECM reprogramming once the mass airflow sensor has been changed.
How do you change a mass airflow sensor on a 2011 Nissan Altima?
Why would a car run better with the mass air flow sensor unplugged?
In such cases, when the mass airflow sensor is unplugged, the computer no longer receives the erroneous readings. It can rely on the tables programmed into it and push a volume of fuel, which is more accurate. This leads to proper combustion and makes the car run better.
What are the signs of a bad mass air flow sensor?
1. The engine is very hard to start or turn over.
2. The engine stalls shortly after starting.
3. The engine hesitates or drags while under load or idle.
4. Hesitation and jerking during acceleration.
5. The engine hiccups.
6. Excessively rich or lean idling.
What should happen if I unplug MAF sensor?
If you unplug the mass air flow sensor the car will start. If you try to plug it in while it’s running the car will die.17 oct. 2016
Should I clean or replace MAF sensor?
The design and function of the mass air flow sensor Both are delicate and may be damaged if you try to clean them. For this reason, it’s better to replace the sensor than to attempt to clean it and continue using it. The MAF sensor measures the amount of air that comes into the system.18 nov. 2015
What makes a MAF sensor go bad?
Contamination is a key reason why MAF sensors fail and require replacement. As air, dirt and other debris get into the sensor, the parts become contaminated and fail. Drivers often notice sluggish performance, rough idling, poor acceleration or even stalling.
Can you drive with a bad mass air flow sensor?
You can drive your vehicle with a bad mass air flow sensor for a while, but it is not advisable to continue doing so for a long time even if your car can still run and that is because, Ignoring your car MAF sensor problem can escalate beyond just the Mass air flow sensor problem to a more severe engine problem that …
How do you test a mass airflow sensor?
Set your meter at or close to 10 V DC. Start the engine and let it idle. Backprobe the signal and ground wires (red probe to signal and black probe to ground). Depending on your MAF sensor, your voltage reading should be between 0.60 to 0.80 volts at idle.13 jan. 2020
What can I clean the MAF sensor with?
1. Locate the mass air flow sensor on your vehicle, which will be under the hood.
2. Remove the MAF sensor from the vehicle.
3. Pour isopropyl alcohol in a clean spray bottle.
4. Spray the alcohol liberally over the MAF sensor.
5. Place the wet MAF sensor on a clean shop rag or paper towel.
Can a dirty air filter cause a P0101 code?
In vehicles with an oil-soaked aftermarket air filter, oil from the air filter can contaminate the MAF sensor element, causing the code P0101 or other MAF-related codes. In some Volvo cars, the code P0101 could be caused by a dirty throttle body or vacuum leaks in the PCV system (e.g. vacuum line to the oil separator).
How do you clean a Nissan air flow sensor?
Spray the MAF sensor wires or grid (sensing elements) with electrical component cleaner or MAF sensor cleaner. (See Tips for more information.) Rub dirt and contaminants off the sensor elements using a soft brush, until the wires and sensor components are completely clean.
How much is a mass air flow sensor?
Many mass air flow sensors will cost around $100–$150, however some will reach upwards of $400 — especially in higher end German makes. Most of these sensors sit on the air induction system, so installation will not be very expensive, usually around $20–$50.