Ford Mondeo Vacuum Regulator Valve 1S71-9H307-AD 98AP9H307AE

Is your Ford Mondeo experiencing rough idle, weak acceleration, or check engine light? This is typically a sign of vacuum regulator valve aging or failure. This part precisely regulates the vacuum of the intake manifold in normal operation to ensure the engine maintains a stable air-fuel ratio under different operating conditions, thus keeping smooth operation. This product OEM number 1S71-9H307-AD, compatible with 98AP-9H307-AE, 98AP9H307AH and EM10003; please confirm compatible models with customer service. During installation, be sure to disconnect the negative battery terminal first and check for cracks or looseness in connected hoses to maintain sealing.