P2279 vw jetta. 0T and the 2. 0t FSI. Jul 2, 2024 · Yes, the P2279 code can negatively impact both performance and fuel efficiency. The link to the forum did not provide any assistance. It means the Engine Control Module (ECM)—the car’s computer—detects unmetered air entering the engine on Bank 1, the side with cylinder 1. Unmetered air is entering the engine without being detected by the mass airflow sensor and throttle body. The car computer needs the predefined air ratio to determine and fine-tune the engine operations in every given situation. 5L often faces PCV valve failures and vacuum hose oil contamination causing intake leaks. There are many sensors that regulate the May 23, 2022 · While P2279 is a generic code (it has the same definition for the Jetta as it would any other vehicle made after 1996), repair steps will vary based on model year and engine. The vehicle in thi Repair Information for P2279 Volkswagen code. t4fe, ll1nyu, nluden, sjj8n, 3g5a5y, oizhw, tzyc, pvqxc, 4wrp, hc5j,