How To Repair Power Outlet In 2016 Nissan Sentra

P0102 is a very mutual trouble code with the Nissan Sentra. It means the the Mass Air Flow (MAF) circuit is depression, and that it is not performing inside its specified operating range.

We will cover exactly what that means and potential fixes for it beneath. It should be considered a high priority to fix, as the MAF sensor not reading properly can really make an affect on the operation of the vehicle.

Nissan Sentra P0102 Trouble Code Diagnosis

It'south important to empathise what the MAF sensor does. Information technology measures the air density and volume between the air filter and the intake manifold. The engine'southward estimator uses this reading to determine the exact amount of fuel that it needs for optimal combustion. When it is not getting the proper reading, it can actually cause issues with your Sentra.

Related: Nissan Sentra P0101 Diagnosis: MAF Sensor

P0102 Symptoms: Nissan Sentra

Since P0102 has to exercise with the Mass Airflow Sensor, which is a huge part of the Sentra'due south engine combustion process metering, it is going to cause noticeable symptoms.

Usually, one or more of these symptoms will occur, just it's not uncommon to accept no symptoms other than the check engine calorie-free.

P102 symptoms include:

Service engine soon calorie-free
Poor idle
Stalling
Hard starts
Poor operation
Improper air/fuel mixture

Nissan Sentra P0102 Causes

P0102 Nissan Sentra

Hither are the most common causes of P0102 in the Nissan Sentra. They are presented loosely in club from almost to least likely:

MAF Sensor Dingy– Over the course of its life, the MAF sensor volition often get then covered in crud that it'll no longer go an accurate reading. They can be cleaned, but it's easy to mess ane up past treatment it wrong, and you don't want to use a wire brush. Hither'southward a swell article on exactly how to make clean ane from Family Handyman. MAF Sensor Cleaning
MAF Sensor Failure– While it is very likely that the MAF sensor itself could be the problem, it's absolutely necessary to test it before you lot replace it. Here'south a video on how to test one without pulling it. This is important for two reasons, the first is that they are expensive, and the 2d is that information technology only takes a few minutes to examination one with a multimeter. If y'all practice need i, they are pretty reasonable on Amazon. But make sure you lot check to make certain it fits your year Sentra earlier purchasing.
Intake Manifold/Vacuum Leak– If at that place is a leak in the intake manifold, it will be impossible for the MAF sensor to go an accurate reading. Without knowing how much air is really getting into the engine, P0102 will be thrown.
MAF Sensor Wiring– Brand sure to check around the MAF sensor for opens or shorts. Kickoff past inspecting the wiring harness for obvious impairment. If you don't see any yous tin can apply a multimeter to test the wiring. At this signal if you use the YouTube video higher up in the MAF sensor muddy section, and at that place turns out to be no voltage at all, try checking out How to Find an Electrical Brusque on Most Any Vehicle from BackYardMechanic
Clogged Catalytic Converter– If you are getting P0102 in your Sentra accompanied by a noticeable lack in power at speed, information technology may very well be that you have a clogged catalytic converter

Conclusion

Whatsoever the reason for P0102 in your Nissan Sentra, ignoring it is a bad idea. Adept luck figuring information technology out, and if there is anything you'd like to ad, please leave a comment below!