How do I know if my truck has a Mass Airflow Sensor (MAF)?

 

If your truck is MA, the sensor would be located in your intake tube close to the air box. If your truck is a 93 I doubt it is MA, unless a previous owner installed it.

 

MAF wasn't an option until '94. Study this diagram:

 

I've never met or talked to you Steve, but I like your ways. You back all your knowledge up with diagrams or write ups. There have been times I have just went to your site and "searched" instead of posting on here or other sites. Thanks