Speed density equipped 1986-88 Mustangs use a Map sensor to measure manifold vacuum. Mass air equipped 88-93 Mustangs use a Barometric air pressure sensor (bap). If your car was built in california, it's equipped with mass air. All other 88's were speed density. Look for a mass air meter on your car. If you don't have one, it's speed density.
Answered by scott s. from hewitt | Comment 1 0
Ford Mustang - 1987 (87) - 1988 (88)