Idle Control Valve Compatible with Chevrolet for Astro 1993-1995 Idle Air Control Valve IAC Valve Auto Replacement Parts 17112648
BYHWAEE
When the engine experiences a drop in idle speed when the cooling fans engage, the electrical load from fan startup pulls engine rpm downward; this component adds bypass air before the fans fully engage, preventing the rpm dip that causes noticeable hesitation. The return spring is made of selected spring steel wire with force treatment; after one hundred thousand cycles its spring constant change remains below five percent, ensuring the plunger returns to the preset mechanical position when control signal or power supply is lost. After removing the old unit, use a clean cloth to temporarily cover the open intake port to prevent debris from falling into the intake manifold; remove the cover just before installing the replacement part, ensuring no fibers remain on the sealing surface. 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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