I need to test a 1997 ford escort mass air flow sensor, I am not sure of the terminals to test being 4 of them, does anyone no?
The car put out a code of p0102 and it idles a little rough when you put a load on the engine it dies.

There's a problem with the MAF Sensor or circuit. The procedure below solves most problems:

https://www.askmehelpdesk.com/cars-t...ml#post1377134

If the problem persists, the problem may reside with the wiring, sensor, or ECM. MAF Sensors are expensive, as you likely know.