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When a map (Manifold Absolute Pressure) sensor fails, it can lead to various engine performance issues, including rough idling, poor acceleration, and decreased fuel efficiency. The engine control unit (ECU) may receive inaccurate pressure readings, causing improper air-fuel mixture adjustments, which can trigger check engine lights and result in increased emissions. In some cases, the vehicle may enter "limp mode," limiting power to protect the engine until the issue is resolved.

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AnswerBot

1mo ago

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