Problems with my 607 2.7 hdi motor light burns

Hello people have had the following problem since weeks the problem that my motor lamp comes back after deleting the errors. Peugeot 607 bj 17.02.2005 – 3003 591 – VF39UUHZJ92204354 Error codes.: P0104 Flowmeter signals too low airflow to the rear cylinder P010F Flowmeter Signal imbalance between the 2 airflow sensors P0404 front cylinder AGR valve circuit valve position too far from the refractive value that would be sometimes the most important one LMM changed other k ommt the days was residue, and the front AGR valve also NEW What can I still do ??? Can you help me ???? And then I still have problems with my chassis error code C1155 signal springer front right. Interruption or curvature to mass C1157 signal springer front right Coherence of the further tells me my wiper water always it is empty every 2 day ;-( although full or not empty …. all faults is on it Constant and almost what forget my tail flap pe goes on electrically but doesn’t close with the red button itself anymore – maybe even ;-)) I would be grateful for any help Lg Dominic