This is how to clean a mass airflow sensor , this car is a 2003 ford crow vic police interceptor , but any car or truck with a mass air flow sensor will be cleaned in the same way , and they all are located in the air intake like this one , open your hood and you are sure to spot it , and the process is very simple , so clean away , even if you don't think you have a problem , clean it , you will notice power , and fuel mpg improvements 100% guaranteed , so get cleaning , also check out my video on cleaning your throttle body , this can be done with the same cleaner , and will help idle smoothness , and off idle stumbles , misses , and could turn off that big orange light on your dash too !!!