I've been wondering if my MAP sensor has gone bad. Is there a way to test it?
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If the MAP sensor is faulty itself, the symptoms of rough running will often be the most noticeable during acceleration or slowing down, when there is the greatest difference between atmospheric pressure and the pressure inside the manifold. . Delayed acceleration followed by a sudden surge of power is a common sign of this condition. Another common symptom of a bad MAP sensor sending incorrect signals to the engine’s computer is an engine that runs very roughly or erratically at idle.
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