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P0405 Diagnostic Trouble Code Discussion for October 2009

EGR Position Sensor Circuit Low Voltage

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Trouble Ticket Help Requests for DTC P0405
Help Request Posted
2002 Saturn SC1 1.9L Hesitation, Cuts out, Stall VIN: 1G8ZP12862
P0405: egr position sensor circuit loww volt. vehicle came in with above codes and egr valve connector disconnected. codes cleared. egr commanded % not matching actual egr %. egr replace with new a/c delco egr valve. vehicle test driven. idles perfect. under accel will kick and buck like a horse no matter...
October 27, 2009