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Ok, other than the tuned ECU... The O2 sensor are both narrow band for sure. One is a fat 4 wire type in the turbo elbow and its wires are cut. There is another hooked up, but not working skinny 3 wire one in the exhaust pipe. Since the engine is a redtop, the O2 plug is a 3 wire. But, there are two. One is hooked up to the skinny O2 by the transmission and it looks like (faded) Black-Yellow?-Brown? 3 female plugs. Then there is one by the intake that is the normal Br/Y-White-Black, but it isn't hooked up. I tried running the 4 wire O2 to each of those plugs and my narrowband gauge just stays at .45V just like always does, even when the sensors are unplugged. My E5 ECU needs a 4 wire right?
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