2010 VW Passat P2187 Fault: Lean Mix at Idle Bank 1 - Diagnosis and Fix
I've been experiencing a check engine light that comes on and off for approximately two months. I'm not very knowledgeable about car mechanics, so I'd like to understand what's causing this issue. I'm concerned about paying $100 for diagnostics only to be told it's something simple like a cracked gas cap. Can anyone provide insight into the actual root cause of the P2187 code on my 2010 VW Passat?
It's recommended to visit your local VW dealership, as there is a Technical Service Bulletin (TSB) related to this issue. The P2187 code on the 2010 VW Passat is often linked to problems in the Positive Crankcase Ventilation (PCV) system. Please update us if you've resolved it or what the dealer suggested.