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P0402 Diagnostic Trouble Code Discussion for July 2005

EGRC-BPT Valve Function

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Trouble Ticket Help Requests for DTC P0402
Help Request Posted
2001 Volkswagen Jetta TDI 1.9L MIL Lamp on
P0402: excessive EGR flow. I replaced EGR assembly with new OE one- it was badly sludged up but it reset the code right away. Alldata has almost no info on this system. At idle I found about 5" of vacum at EGR and think that the vacum solenoid on firewall is probably no good. Thank ...
July 03, 2005
1998 Nissan Altima GLE 2.4L MIL Lamp on VIN: 1N4DL01D4W
P0402: EGRC-BPT Valve Function. Have a Nissan Altima with re-occuring p0402. Came in with code and was inspected by another tech. - found egr valve sticking, customer ok'd egr replacement. Tech replaced valve, cleaned out small steel tube, checked function, and cleared codes. Returned a week...
July 28, 2005