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P2189 Diagnostic Trouble Code Discussion for May 2012

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

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Trouble Ticket Help Requests for DTC P2189
Help Request Posted
2006 Porsche Cayman S 3.4L Stall, MIL Lamp on, Hot start/Hot soak VIN: WP0AB29876
P2189: System Too Lean at Idle. ... it started/stalled 3 times. When the engine did start it ran rough for approx 4 minutes cleared up and ran fine (no light at this time). The next day when driving check engine light came on with code P2189 for remainder of the day with no driveability iss...
May 04, 2012