Engine Miss on 1998 Ford Taurus

My car misses at idel it also misses if you try to excelorate fast. I get code PO301 PO302 PO171 PO136 and PO141. I replaced the EGR and the DPFE with no change. The PO136 and PO141 just recently showed up. The others have been going on for some time now. Please help

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