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The code P1656 for a 2003 Pontiac Vibe indicates an issue with the Engine Control Module (ECM) or the Communication Bus. Specifically, it refers to a "Loss of Communication with Fuel Level Sensor," which suggests that the ECM is unable to receive data from the fuel level sensor. This could be due to wiring issues, a faulty sensor, or a problem with the ECM itself. It's advisable to inspect the related wiring and connections and consider testing or replacing the fuel level sensor if necessary.

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AnswerBot

4d ago

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