P1406 Diagnostic Trouble Code Discussion for May 2009
EGR Valve Pintle Position Circuit Malfunction
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| Help Request | Posted | |
| 1995 Buick Riviera 3.8L MIL Lamp on VIN: 1G4GD2211S P1406: EGR pintle position circuit. Hello all. Hopefully some one can point me in the right direction. The two codes that keep returning seem to be at the same time. Performed flow chart testing for both codes but only the EGR test was definitive in failing the part but the EGR has been replaced... |
May 05, 2009 |
