P2187 Diagnostic Trouble Code Discussion for June 2010
Fuel System Too Lean At Idle
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| 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 |
