The mass air flow sensor is a wearing part. 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 RAV4. What happens when MAF sensor malfunctions in Toyota RAV4? MAF sensor location in Toyota RAV4 5th generation. It is not only important for power delivery in your RAV4, but also for the lowest possible pollutant emissions. The mass air flow sensor is part of the engine’s intake system and is located between the air filter box and the throttle valve. Dirty or faulty mass air flow sensor (MAF)ĭefective or dirty mass air flow sensor (MAF) in your Toyota RAV4 can result in loss of power, uneven engine running, erratic idling, misfires, poor exhaust emission values including black smoke. So this is the first thing you should check.
Replacing the filter on your RAV4 takes a few minutes and does not require any special knowledge. In the worst case, the engine can stall if the air filter is extremely clogged. This ultimately also increases fuel consumption. If the air filter is dirty in your Toyota RAV4, it can have a negative effect on the performance of the engine, as less air passes through the dirty filter which suffocates the engine.
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