![]() ![]() Disconnect the battery from the ground cable to ensure no current flows through the vehicle’s electrical cable. ![]() ![]() It’s essential to disconnect the battery whenever you are replacing a MAF sensor. Do I need to disconnect the battery when changing MAF? Having the air intake systems clean will eliminate the pain. The key to resolving the problem is a thorough diagnosis and a qualified technician to fix the air filter. When the air intake passages are not transparent or when the air filter is faulty, you could get a check engine light on in the dashboard related to a faulty MAF sensor. Other problems related to Mass airflow senso The task is very simple if you have the correct tools and software to do it the right way. Hence, when some codes are not in sync with the vehicle’s computer, you will have the check engine light showing up again. The codes are an essential tool in helping a technician detect a problem with the MAF sensor. Resetting the car’s computer and ensuring all codes from the sensor are synched with the computer. The second and the most common problem is replacing the MAF sensor and forgetting to reset the vehicle’s computer. When replacing the sensor, especially at home, most people do not accurately make the replacement, causing the check engine light to appear again. One of the most common causes of check engine popping up after MAF sensor replacement is having a faulty replacement. While most car manufacturers and technicians recommend resetting the vehicle’s computer, most people still believe that something went wrong or they have other issues that didn’t know about. Many people do not seem to know why it is still on and what to do to switch it off. Do I need to disconnect the battery when changing MAF?Ĭommon causes why the check engine light is still on after replacing the MAF sensor.Īfter replacing the MAF sensor, having the check engine still on can be frustrating.Common causes why the check engine light is still on after replacing the MAF sensor. ![]()
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