2001 honda prelude egr lift sensor failure?

2001 honda prelude egr lift sensor failure? - 1
Added (1). i have replaced the erg unit with no change. Could it be that the cheap air intake thats in place of the stock air box is the problem because the air flow sensor is not plugged in? Bought it this way, might put in a stock setup because of the obd2 system (if this could help)

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