Byhwaee One Color Idle Control Valve Idle Control Valve Compatible With For 80 For 90 For Coupe 1990 Idle Air Control Valve 037906457C Idle Speed Control Valve
BYHWAEE
When the engine experiences a sudden idle drop when the air conditioning compressor clutch engages, this Idle Air Control Valve senses the load increase and adds bypass air before the compressor fully engages; the IAC Valve works with the ECU to prevent the rpm dip that causes noticeable hesitation. The Idle Control Valve features a low-thermal-expansion housing that maintains gasket compression across the full temperature range, while the Idle Speed Control Valve prevents vacuum leaks that could occur when metal and plastic components expand at different rates during warm-up and cool-down cycles. Before removing the old IAC Valve, disconnect the battery negative terminal and let the engine cool; take a photo of the vacuum hose connections and component orientation for reference, then loosen the two mounting bolts and pull the Idle Air Control Valve straight out without twisting; install the replacement part with the included gasket and tighten the screws diagonally. If you encounter any problems during the purchase process, please contact customer service promptly. We will do our best to help you resolve your issues and provide suitable solutions. Friendly Reminder: We recommend that you carefully review our product images and specifications before ordering to ensure that the part is suitable for your vehicle model., Manufacturer: BYHWAEE-853
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