The most common cause of a malfunctioning MAF sensor in Jeep Wrangler is dirt and grime accumulation on the sensor. What causes MAF sensor to fail in Wrangler? Dirt accumulation This can cause the engine warning light to illuminate in the instrument cluster and the fault can be read out by a diagnostic device. The engine runs too “lean” or too “rich”. The optimal amount of fuel can no longer be calculated which results in either too little or too much fuel injected into the combustion chambers. If the MAF sensor is defective or dirty, it does not send correct measured values to the control unit of Wrangler. What happens when MAF sensor malfunctions in Jeep Wrangler? It is not only important for power delivery in your Wrangler, but also for the lowest possible pollutant emissions. This will allow for improved engine performance, fuel economy and vehicle emssions.The mass air flow sensor is part of the engine’s intake system and is located between the air filter and the throttle body. Is your car in need of a new mass airflow sensor? If so, we can help! At Grimmer Motors, our team of experienced mechanics can diagnose and replace your old mass airflow sensor plus install a new one. Mass Airflow Sensor Replacement in Hamilton This can be caused by a damaged Mass Air Flow (MAF) sensor. Rough idle – Your vehicle may operate roughly with increased engine RPM while idling.This will result in incorrect amounts of fuel entering your engine and the fuel not being used optimally. Increased fuel consumption – A faulty mass airflow sensor will give incorrect readings to your car’s ECU.You may experience a significant reduction in acceleration or the car may struggle under heavy loads or to idle properly. Loss of engine power – A bad mass airflow sensor will affect your engine’s ability to operate correctly.This can trigger the check engine light on your dashboard. Check engine light on – When the mass airflow sensor is not working properly, too much air could enter the engine and not enough fuel.The reduced air flow will affect the sensor’s ability to accurately read air levels in the engine, leading to problems with engine performance. Over time, contaminants such as carbon will find their way into the mass airflow sensor, creating a buildup which makes it harder for air to pass through. Generally, you should get at least ten years of driving out of your mass airflow sensor, but this can vary depending on several factors. For this reason, the sensor is generally not replaced until it fails. In fact, they have no scheduled replacement interval. Mass air flow sensors are designed to last the lifetime of your vehicle. How long does the mass airflow sensor last? Learn more about how the mass airflow sensor works
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