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P2187 Diagnostic Trouble Code Discussion for June 2010

Fuel System Too Lean At Idle


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Trouble Ticket Help Requests for DTC P2187
Help Request Posted
2009 Cadillac CTS 3.6L MIL Lamp on VIN: 1G6DV57V49
P2187: Too lean at idle bank 1 current. ... car runs fine but I'm getting an active P2187 code for too lean at idle bank 1 and a pending P2189 code for too lean at idle bank 2. I didn't get these codes before the timing chains job. The manual mentions that the com...
June 16, 2010
2009 Cadillac CTS 3.6L MIL Lamp on VIN: 1G6DV57V49
P2187: Too lean at idle bank 1 current. ... car runs fine but I'm getting an active P2187 code for too lean at idle bank 1 and a pending P2189 code for too lean at idle bank 2. I didn't get these codes before the timing chains job. The manual mentions that the com...
June 16, 2010