When should I replace the IACV and TPS—— The common symptoms of bad or failing Idle Control Valve and Throttle Position Sensor are Irregular Idle Speed, Check Engine Light comes on or Engine stalling
Compatible with 1999-2002 Silverado 1500 / 2000-2002 Tahoe / 1999-2002 Sierra 1500 / 2000-2002 Yukon / 2000-2002 Yukon XL 1500 / 2002 Escalade, see more compatibility below the description
Easy Installation—— Direct replacement for a proper fit, package includes 1x Throttle Position Sensor + 1x Idle Atmosphere Control Valve