Volkswagen Passat engine light, misfires, and failed state inspection due to recurring issues with fuel injectors, manifold gasket, and rear main seal on Volkswagen Passat

Some Volkswagen Passat owners report experiencing engine light warnings and misfires, particularly in models with TSI engines, often linked to faulty ignition coils or worn-out spark plugs. These misfires can lead to rough idling, decreased fuel efficiency, and a decline in overall performance. Additionally, some owners encounter problems with fuel injectors, which can contribute to engine performance issues and misfires due to poor fuel atomization and uneven distribution. Concerns with the manifold gasket are also noted, as a failure in this gasket can result in vacuum leaks that affect engine performance and trigger the engine light. Furthermore, some owners report rear main seal leaks, which can lead to oil leaks and may result in failed state inspections due to environmental and safety concerns. It is essential for owners to address these issues promptly by consulting a qualified mechanic or service center to ensure the proper functioning of their Volkswagen Passat.