just swapped h22 into eg and im gettin code 43 only when i am steady on the gas if im on the highway just crusin in 5th the engine light comes on but when i first turn the car on and drive its fine it only comes on when i dont let off the peddle if i let off then get back on it it is fine what could it be and is it something to worry about or could i just ignore it someone help please

 

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