Quote:
Originally Posted by Tor
Well something must be wrong, because you don't get 23% fuel error from header back exhaust. I should have phrased that more clearly.
It doesn't have to be something that is outright broken. E.g. you said he uses a KN filter which is oiled. I don't know if excess oil could mess up the MAF sensor readings like that, but I would definitively take it out and clean it. I suppose you already checked both intake and exhaust for leaks.
Something is amiss.
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O2 Sensor was confirmed with external one. MAF was calibrated..Curve was completely out of logic. There are no any leaks, anywhere. Air and exhaust system were thoroughly checked. With MAF calibration and fuel trim optimisation the car went 166 whp (as was mine initially). I do not think that something is wrong. Engine is running much more smoothly now.
Any further ideas for checkings would be most welcome!