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P0403 Diagnostic Trouble Code Discussion for June 2010

EGR Solenoid Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0403
Help Request Posted
2006 Volkswagen Jetta TDI 1.9L Excessive Emissions, Poor Fuel Economy VIN: 3VWR171K96
P0403: Egr valve n18 malfunction. HI VW TECH'S, after clearing the codes and driving it's the EGR code that comes on first. The engine smokes when first accelerating and at times will be low on power. So we tried a new MAF sensor and no good all though my readings were good, the old one read t...
June 29, 2010