I had this on my s3 for over a month, changed the plugs, new silicone hose from my throttle body to induction kit, checked for vac leaks.... no problems.
Replace the fuel filter, mine was full of water and gunked up.
once replaced, turn the light out.
Do you notice any lack of power in the higher rev range?
If you Check Engine Light isnt on, it will soon come on.
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