po403 fault code

Asked by Apr 04, 2015 at 01:01 PM about the 2005 Cadillac CTS 3.6L

Question type: Maintenance & Repair

05 cts fault code po403. what needs fixing.

1 Answer

EGR. exhaust gas recirculation, an emissions device to deduce NoX. http://www.obd-codes.com/p0403

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