Mechanic Special. P0722 - Input/Output Shaft Speed Sensor P0731 - Gear 1 Incorrect Gear Ratio. Based on research. the P0731 code is related to the P0722 issue. and should clear once the speed sensor is replaced. I don't have the time or interest to take on the repair. so I'm selling the car asis. Vehicle Highlights. 150.000 miles Clean title in hand 1.8L 4cylinder engine - fuel efficient. great for commuting Frontwheel drive | 6speed automatic Power windows. locks. and mirrors Remote start & alarm system Backup camera & Bluetooth connectivity Newer tires with solid tread Clean interior & exterior Includes 3 studded winter tires (no wheels). Wear & Notes. Typical Alaska windshield wear Small crack on front bumper & minor rear driverside panel damage Will need current tags. Value. NADA book value. $8.375 Asking $2,700 OBO - no trades