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International Automotive Technicians Network
Re: 1994 Ranger MAF 157
Posted to Technical Discussion Forum on 8/22/2013

" I have my battery voltage on Pin A. Pin B is Ground (0v). Pin C is 3.2v and Pin D is 0v. This is with the MAF Unplugged and checking the connectors. "

You need to check this plugged in. Backprobe Pin C while running at idle and see if you do in fact have .... Login to read more.