As nowadays car are controlled by electronic engine management, many times fuel additive only helps to correct problems on "shock dosage". When it is used on the maintenance dosage, the engine performance suffer or the fuel economy suffer.
So is it time that we should change our paradigm about fuel additive like engine oil, only use additive to correct problems but not for normal daily usage ?
So is it time that we should change our paradigm about fuel additive like engine oil, only use additive to correct problems but not for normal daily usage ?