Mass Air Flow Failure | Germantown, MD | Precision Auto

Seeing that Check Engine Light?

One Culprit is the Mass Air Flow Sensor

What Is A MAF?

Modern vehicles are equipped with various sensors that monitor different aspects of engine performance. One critical sensor is the Mass Air Flow (MAF) sensor, which is crucial in maintaining optimal fuel-air mixture for combustion. When the MAF sensor begins to fail, it has the potential to kick on the check engine light on your dashboard. In this blog, we'll delve into the importance of the MAF sensor and how its failure relates to the check engine light being on. Its main function above all else is to measure the amount of air entering the engine's intake manifold. This information is crucial for the Engine Control Unit (ECU) to calculate the precise amount of fuel needed for combustion. The MAF sensor ensures the engine runs efficiently, reduces emissions, and maximizes power output. This may be a lot of information to process, especially because a check engine light can glow for several reasons. Precision Auto in Germantown, MD, would like to take a moment to help our customers understand how to determine if their MAF could be failing and make some recommendations to prevent probable causes.

Signs Of Errors

When the MAF sensor starts to malfunction, it can disrupt the engine's performance in several ways. Here are some common signs of a failing MAF sensor: Perhaps the most noticeable indication of MAF sensor trouble is the illumination of the check engine light on your dashboard. The ECU detects irregularities in the air-to-fuel ratio. It triggers the warning light to alert you to the problem. A failing MAF sensor can cause a drop in engine power, reduced acceleration, and overall sluggish performance. You might notice poor fuel efficiency and a lack of responsiveness when you press the gas pedal. An unstable or rough engine idle is another symptom of a failing MAF sensor. The irregular air-fuel mixture can lead to erratic idling, causing the engine to sputter or stall. A malfunctioning MAF sensor can lead to engine stalling or misfires in severe cases. These issues can be dangerous, especially while driving at high speeds or in heavy traffic. It is important to note that ignoring a failing MAF sensor can lead to many problems, including reduced fuel efficiency, increased emissions, and potential damage to other engine components.

Leave It To Us

The ASE-certified team at Precision Auto in Germantown, MD, always puts the safety of our customers and their well-being as a top priority and service we are more than happy to provide. We welcome all vehicle owners to visit our shop or call ahead to schedule an appointment for all your check engine light diagnostics. Our services come with a 24-month/24,000-mile parts and labor warranty.

Written by Precision Auto