Dodge Charger 2023 check engine light and rough ride due to injection system failure and intake camshaft phaser short circuit with code P0020 on Dodge Charger

Submitted by Vehicle Owner · Jun 23, 2025
Published by RepairPal

Problem overview

Some 2023 Dodge Charger owners report experiencing a check engine light and rough ride due to injection system failure and intake camshaft phaser short circuit, specifically with code P0020. These issues can be triggered by various factors, including emissions system components and sensors, and while tightening or replacing the gas cap may sometimes resolve the check engine light, it could also indicate a more serious problem that requires immediate attention to prevent engine damage. Additionally, some owners find that rough idling may stem from vacuum leaks, spark plug issues, or ignition coil problems. The P0020 code itself relates to the camshaft position actuator circuit in Bank 2, leading to symptoms such as rough idling, engine misfires, and poor acceleration, which may even result in stalling. Owners experiencing these symptoms are advised to promptly check for open or short circuits in the bank 2 intake camshaft synchronization to effectively address the concerns.

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