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P2187 Diagnostic Trouble Code Discussion for November 2009

Fuel System Too Lean At Idle

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Trouble Ticket Help Requests for DTC P2187
Help Request Posted
2006 Audi A4 Quattro 2.0L MIL Lamp on VIN: WAUEF78E96
P2187: bank 1 system too lean at idle no siganl communication. ... with check engine light on. 2dtc p2187 & p0441. replace evap purge valve and crankcase vent valve. car came back in 3days with same dtc. fuel trim slightly lean, smoke test on intake and evap system, no leak found at all. basic setting evap test 70 &am...
November 20, 2009