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P2189 Diagnostic Trouble Code Discussion for January 2020

Fuel Trim System Too Lean At Idle Adaptive (Bank 2)

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Trouble Ticket Help Requests for DTC P2189
Help Request Posted
2012 Bentley Continental Flying Spur 6.0L MIL Lamp on VIN: SCBBR9ZA4C
P2189: Lean condition at idle bank 2. Code P02189 says lean @ idle ?? seems quite complex, anything obvious to check, Has 5 check valves visible. So thinking not an easy engine to smoke test.
January 17, 2020