1997 Ford F59. EBP Sensor : EGR172 , 1840078C1 , 1C3Z9J460A , 1C3Z9J460AA , F4TZ9J460A , 904-7505. EBP Tube: 598-104 , F4TZ9D477A. l 【 ENHANCE ENGINE PERFORMANCE】 Exhaust Back Pressure Sensor can keep the exhaust pressure stable and reduce engine failure, such as incorrect sensor readings, unstable vehicle operation, fault codes, unsmooth shifting, power loss, and excessive exhaust smoke.