DDE Fault Codes 4862 and 4B82 for EGR Air Mass Plausibility. The Service Engine Soon light is illuminated with one or both of the following fault codes stored in the DDE: 4B82 - Exhaust-gas recirculation-rate control, control deviation 4862 - Air system, air to EGR mass flow, plausibility CAUSE Air mass monitoring of the EGR valve is outside allowable limits.
