> From: 99guspuppet > Subject: Re: [OT]: 1990 Miata AirFlow Meter ( AFM ) shows unexpected > results >=20 > I started a blog entry at=20 > http://arts-tech-creation.blogspot.com/2015/11/1990-miata-engine-idling-p= roblem.html > Gus >=20 The output from the AFM is non-linear, under load airflow will peak at peak= torque and then drop off again. As I understand it you are chasing an idle= issue, the ECU switches tables at idle so you should check that the idle s= witch is working correctly. Have you checked for air leaks? is that an auto= ECU? James =20 --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .