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Q: Intake runner valve is stuck

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The intake runner valve flash PCM is stuck.

A: The manifold tuning valve may be malfunctio...

The manifold tuning valve may be malfunctioning, if you are getting a code P0660. The system would need to be checked to see if the solenoid is bad, or the valve is sticking in the manifold. I recommend that you have a mechanic, like one from YourMechanic, inspect your intake manifold runner control to see if it can be repaired, or requires replacement.

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