RELATED: Your Car Jerks When Accelerating? (Here’s How To Fix it) 4. If the air-fuel mixture is too rich, it can also extinguish the ignition created by the spark plug, which causes the acceleration to be rough. This is usually because the air-fuel mixture becomes too lean, so the car engine “starves” due to a lack of food, and this will cause it to jerk. Hesitation, rough or jerky accelerationĪs you may suspect, a faulty fuel injection caused by a poor MAF sensor can also make your acceleration rough or jerky.
RELATED: Car Losing Power When Accelerating? (Here’re the Causes) 3. If you notice that your car is much slower than usual, there is a significant risk that your MAF sensor is at fault. Slow acceleration is one such possibility. A faulty MAF sensor can cause a faulty air-fuel mixture, which can cause many strange performance issues with your car. Your engine needs a perfect air-fuel mixture in the combustion chamber for optimal performance. If your check engine light is illuminated, you will want to check the diagnostic trouble codes first with an OBD2 scanner. However, the engine control module does not always recognize a faulty MAF sensor, so it may still be defective, even if there is no engine light on your dashboard. A check engine light is one of the most common bad mass air flow sensor symptoms. Therefore, if your MAF sensor is faulty and sends wrong information to the engine control unit, the check engine light will illuminate your dashboard. If a sensor sends an incorrect signal, the ECM or PCM will turn on the check engine indicator light. The engine control module monitors all sensors in the car engine to ensure that everything is OK.
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