Quote Originally Posted by jick.cejoco View Post
What it is the airflow indication on the scanner? It should be around 1 gram per second per liter of engine displacement. Check other engine parameters. The engine vacuum should be between 17 and 21 inches of mercury. Use gauges, do not base your judgment on opinions and guesses
Based on mazda mechanic, scanner shows that I have MAF sensor malfunction, I need to replace it as well as spark plugs and fuel filter also clean the throttle body. The new MAF is so expensive, is it okay to use a second hand MAF?