In addition, if the PCM continuously sends the wrong amount of fuel to the engine, the air-to-fuel ratio will either be too rich or too lean. Therefore, the engine may idle roughly, or it may not even idle at all. So the PCM will not be able to control the amount of fuel it sends to the engine. If you continue driving, mechanical damage to the engine could develop because you are forcing it to run in a lean air-to-fuel condition.Ī malfunctioning mass air flow sensor will not send any airflow information to the PCM. But it’s not advisable if you do it for an extended period. How long can you drive with a bad mass air flow sensor? You can still drive your car with a bad mass air flow sensor for a while. You can still drive your car, but it will be less efficient. This is rather an easier and cheaper option compared to repairing or replacing the engine of your car.Ī bad mass air flow sensor will not prevent your car from running. Have it cleaned, repaired, or replaced now, instead of later. So, don’t ignore what the mass air flow sensor is telling you. But if you are forced to replace the engine, the cost could reach up to $7,500. If you replace the sensor now, it will only cost you around $200. Replacing an engine is even more expensive. Repairing a car engine is a lot more expensive than repairing a problematic mass air flow sensor. It can even lead to severe damage to the car’s engine, forcing you to repair or even replace it.
If you ignore what this sensor is telling you, the problem will worsen. However, you should not drive with a bad mass air flow sensor because it can lead to engine issues. It is possible to drive with a bad mass air flow sensor for a limited time. Can You Drive with a Bad Mass Air Flow Sensor? Read on to learn how a bad mass air flow sensor can affect your car or truck’s efficiency and what you can do to solve this problem. A faulty mass air flow sensor will also cause the ‘Service Engine Soon’ or ‘Check Engine’ light to turn on. You can experience a lack of power, stalling, poor acceleration, and even a no-start engine while driving your car. If you drive for too long with a faulty sensor, it can lead to serious engine problems.Ī bad mass air flow sensor will cause different drivability issues. You can drive with a bad mass air flow sensor, but only for a very limited time. But what if you have a bad mass air flow sensor? Can you drive with a bad mass air flow sensor? A good, working air flow sensor is essential to your car or truck operating efficiently.
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