Peugeot Expert year 2007 Chassis VF3XS9HUC64012726 66KW.

Vehicle in recovery in the engine ECU I find several errors stored as the vehicle has come from another workshop I decide to delete all the errors, after a road trip I re-diagnose with the Smart tester and I find the following errors P0488, P1161, P0121 I delete them and those that return immediately after starting are P0488, P1161 the Smart tester does not give any error description.

I suppose the problem is the EGR valve

EGR Parameters :

Turns 803, EGR position 0%, actual position EGR10,57%, EGR opening 0%, EGR throttle opening 0%, EGR learning correct.

Advice.