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P0403 Diagnostic Trouble Code Discussion for December 2004

EGR Solenoid Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0403
Help Request Posted
2000 Pontiac Grand Am SE 3.4L MIL Lamp on VIN: 1G2NF52E3Y
P0403: EGR Solenoid Control Circuit Malfunction. Hello, I'm kinda stuck. I got this Grand Am in for intake gaskets (common coolant leak) because the dealer quoted this gal a ton. I work at a repair shop at a church and we don't have a lot of equipment. After I was done changing the gaskets, the cel came on w...
December 10, 2004
1999 Dodge Avenger 2.5L No Start, Poor Idle Quality VIN: 1B3AU52N9X
P0403: EGR Solenoid Circuit Malfunction. Got this 99 Avenger in, with a no start/extended crank. 1/4 throttle and it will start after cranking a bit, closed throttle will not start. Checking MAP code - found 5 volts on map signal wire even when disconnected. 5 volts coming out of PCM and MAP sensor (...
December 28, 2004