I am thinking about purchasing a 1994 Mazda Protege…and when looking online I was told to watch out for faulty airflow meters. How would I check for something like that at the car lot?
after 94 the flow-meter was discontinued because you can trick it for turbo engines with no need of changing ecu in fact flow-meter was the ecu of the engine and when remove the lid you can adjust a needle and change your air/fuel ratio and tune it for turbo i know that will not answer your question but i know you will be happy knowing that there is no way to know if the flow-meter is going bad or not but replace it is not expensive and you can replace by yourself, the best way to know if something wrong with it is looking if the lid of the flow-meter was remove, you will know that because the surrounding silicone is not glue it like the factory, factory silicone is like clear with yellow something like that, so if you see a different color of glue you know the flow-meter was previously open and that is a sign that could be faulty or was remanufactured flow-meter
