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What is causing the intake manifold runner control in the 2007 Ford Focus to remain open?
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★ Top Answer
If the intake manifold runner gets stuck open in a 2007 Ford Focus, you'll notice the code P2004 on the dashboard. This indicates a problem with the intake manifold runner control actuator (IMRC) on engine bank one being stuck. The runner control solenoid operates with a flap that opens and closes as air flows through the system. If the flap gets stuck, the runner remains fixed, causing air to flow continuously. Adjusting the runner can resolve this issue. Symptoms of this problem may include poor engine performance, decreased RPMs, worsening fuel efficiency, and the engine surging or lurching forward.
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If the intake manifold runner control is stuck open on a 2007 Ford Focus, it likely indicates a need to replace the intake manifold runner control solenoid or a potential crack in the vacuum hose connected to the runner control.
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