Some Ford Edge owners report experiencing idle issues characterized by shuddering during acceleration, which may stem from several underlying causes. A common issue is engine misfire, leading to rough idling and jerking sensations when pressing the accelerator. Additionally, transmission problems, particularly in models with the 8F35 transmission, can cause shuddering, bucking, or jerking at speeds up to 35 mph, potentially linked to software issues in the powertrain control module (PCM). Furthermore, bad motor mounts can contribute to shaking at idle, as worn or damaged mounts fail to support the engine properly. Clogged fuel injectors may also result in slow acceleration, rough idling, and misfires, while faulty spark plugs can exacerbate these issues by causing misfires and affecting overall idle quality. To effectively address these concerns, it is advisable for owners to consult a qualified mechanic or dealership for accurate diagnosis and resolution.