What is a P0174 & How Do You Fix It | Diagnose Vacuum Leak | Running Lean on Bank 2 | AutoLine Pro

What is a P0174 & How Do You Fix It | Diagnose Vacuum Leak | Running Lean on Bank 2 | AutoLine Pro

A P0174 means your engine’s running lean on Bank 2 — too much air, not enough fuel. Nine times out of ten, it’s unmetered air sneaking into the intake. HyperSmoke makes finding those leaks simple. Compact, affordable, and pro-grade. Link in bio to grab yours.