SCANMASTER 2.1 with instr. $200. shipped*....AC MAF SENSOR $135. shipped* BOTH GAURANTEED GOOD WITH LESS THAN 5k MILES. ECM. NO PROM CHIP. GAURANTEED GOOD..$60. shipped* THESE WERE JUST PULLED FROM MY CAR THIS WEEK AND REPLACED WITH F.A.S.T. *shipped price to lower 48 states.