Function - The idle air control valve regulates engine idle by controlling the air bypass around the throttle plate, helping maintain a steady idle speed and prevent stalling. Compatibility and OEM - OEM part number: 16022-PLC-J01 - Fits Honda Civic models from 2001 to 2005 Material and durability - Made from high-quality material that is wear-resistant and durable - Not easy to damage and designed for a long service life Fit and size - Engineered to match OEM specifications for reliable fit and performance - Sized to align with the 16022-PLC-J01 valve for compatibility with the target Civic models Performance benefits - Restores smooth idle and enhances cold-start reliability - Reduces idle fluctuations and contributes to consistent engine response Installation - Direct replacement for the original idle air control valve - Easy to install with standard maintenance procedures Use scenarios - Scenario 1: Honda Civic 2001-2005 exhibits rough or unstable idle or occasional stalling at idle; replacement helps restore stable idling - Scenario 2: After throttle body cleaning or engine maintenance, idle remains unsettled; installing a new IAC valve helps restore proper idle control - Scenario 3: In cold weather, starting and idling are inconsistent; replacing the valve improves starting reliability and idle stability