i just read this
All non-US market 4A-GE's came with a MAP sensor, while all of the US-market Toyota 4A-GE's came with a MAF sensor. The only exception was the US-market 1990-91 Geo Prizm GSi, which was equipped with the MAP. This engine revision upped the power to 138 hp (103 kW) at 7200 rpm...