The mass airflow sensor (commonly abbreviated to MAF) is one of the most crucial engine monitoring sensors. A bad mass airflow sensor deserve to leave your Dodge Ram’s engine running rough, or also inoperable.

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A MAF sensor actions the density of the air entering the entry manifold. It passes this info onto her Ram’s ECU. The ECU provides this information in addition to other sensor data to regulate the quantity of fuel the enters the burning chamber.


If friend do determine that you need a new mass air flow sensor, castle aren’t as well expensive. And, most of the moment they are right by the wait box and easy come replace.

Faulty Mass air flow Sensor Symptoms: evade Ram

When the mass air flow sensor has gone bad, you’ll definitely feel it. Here are the most common symptoms that a bad or failing MAF sensor:

Idle Issues– your Ram may run wealthy or lean when idling, or it may additionally idle erratically. A rich problem is once there is not enough air loved one to the fuel in the air/fuel mixture. The exhaust shade is commonly darker as soon as running rich. A lean condition is once there is too much air loved one to fuel in the waiting fuel mixture. The exhaust color usually doesn’t change. Hard come Start– Without understanding the proper amount of wait entering into the intake, it have the right to be really complicated for the engine to start. And also when it does, that doesn’t usually run an extremely well. Decreased Fuel Mileage– Fuel mileage deserve to suffer there is no the proper air/fuel mixture.
Here a couple of common MAF sensor layouts

Ram negative MAF Sensor Diagnosis

If the MAF sensor has actually gone bad, it’ll trigger the inspect engine irradiate and provide an OBDII trouble code. This is good because it help you narrow down the problem. The two most usual trouble password in relationship to the MAF sensor are:

There are other codes related to the fixed air flow sensor as well, but these room the most usual ones. Here’s a wonderful video on just how to diagnose a poor MAF sensor using a multimeter from Ratchets and also Wrenches top top YouTube.

Cleaning the Mass airflow Sensor

Often, the mass airflow sensor really only requirements cleaning once they go bad. Some folks recommend using alcohol because it’s typically on hand, and can clean the sensor. This is a bad idea, the can destroy the sensor. Offers mass air flow sensor cleaner. It’s really cheap and accessible at any type of parts store. It sure beats the hell out of having to buy a new sensor.

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Locate the MAF Sensor– It’ll it is in in in between the air filter and also the accelerator body. Eliminate the Sensor- Take care not to damage the wiring exploit or the connector pins that obtain the harness in the MAF. Simple hand tools will it is in all the you need to finish the job. Clean the Sensor– currently that you’ve gotten rid of your Ram’s MAF sensor, it’s time to clean it. You’ll need the MAF cleaner. Friend are not scrubbing anything. Let the chemicals perform their job. Around a dozen tiny bursts will certainly be all that you need. Replace the Sensor


Replacing a negative MAF sensor have the right to make your ram feel choose a brand-new vehicle. Great luck v the diagnosis. If over there is anything that you would prefer to add, please feel free to leave a comment below.