Mercury Montego loss of power and inability to accelerate over 15 mph with A/C failure after sitting for 2 months on Mercury Montego

Some Mercury Montego owners report experiencing a loss of power and an inability to accelerate over 15 mph after the vehicle has been sitting for an extended period, such as two months. This issue may be linked to a failing fuel pump, which is a common symptom of sudden power loss during acceleration. Additionally, slow acceleration can stem from various factors, including a clogged air filter, dirty mass air flow sensor, clogged fuel filter, fuel pump malfunction, faulty oxygen sensor, dirty throttle body, worn spark plugs, or a clogged catalytic converter. Furthermore, if the check engine light is illuminated, it is advisable to use a code scanner to check for trouble codes stored in the powertrain control module, as these could provide valuable insights into the underlying issues. Given the reports of powertrain-related problems among Mercury Montego owners, it is crucial to have the vehicle inspected by a qualified mechanic to accurately diagnose and address the potential fuel system, air intake, and engine management issues affecting performance and A/C functionality.