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P0403 Diagnostic Trouble Code Discussion for October 2008

EGR Solenoid Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0403
Help Request Posted
2005 Kia Optima LX 2.4L No Start, Stall, MIL Lamp on VIN: KNAGD12625
P0403: EGR Solenoid Circuit Malfunction. This vehicle had the valves replaced and timing belt. After a week the customer brought it back for a stalling then no start prob. I found the dtc P0335 and found the cam sensor and connector bad. I repaired the connector and replaced the cam sensor. Intermitt...
October 06, 2008
1999 Chevrolet Venture 3.4L MIL Lamp on VIN: 1GNDX03EXX
P0403: EGR Solenoid Control Circuit Malfunction. This Vehicle was sitting next to a tree that was struck by lightning. Towed to shop and was a no start. Unable to communicate with PCM. Checked all circuts from PCM connectors for proper resistence and checked powers and grounds. Replaced PCM and flashed with ...
October 07, 2008
1997 Dodge Grand Caravan ES 3.8L intermittent VIN: 1B4GT54LXV
P0403: EGR Solenoid Circuit Malfunction. may try a pcm & flash in new memory with flash tool thought i would ask if any one out there has seen problem has a mechanical dash
October 10, 2008