Hi. I have a 96f150, dual tanks, 4x4, I-6. Ok so I just failed emissions. And they gave me these 4 reasons. Im lost and if anyone can help i would love it. Reason 1. P0411 "SECONDARY AIR INJECTION SYSTEM INCORRECT FLOW DETECTED. Reason 2. P0401 EXHAUST GAS RECIRCULATION FLOW INSUFFICIENT DETECTED. Reason 3. P0171 SYSTEM TOO LEAN (BANK 1)(2). Reason 4. P0174 SYSTEM TOO LEAN (BANK 2).