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The O2's are both from my TT before the conversion, have about 40K on them and for all intensive purposes worked. Previously with my TT, when running datascan, I can see the Lean/Rich light cycling at idle and if I recall, went rich when accelerating. When viewing both banks and the throttle is blipped or I accelerate, the O2's would shoot up in value, and eventually level out. NOW... Since doing the TT conversion, I haven't seen much of a response from the O2's. The Lean/Rich light remains LEAN at idle and even during acceleration, remains in the LEAN state. At idle, the left bank shows for example 15-18, while the right side shows 18-22 (at one point 25-ish). When I blip the throttle, each bank only goes up a point or 2, and not like I remember where it would go in the ex:60-80's. Also, I took the car for a run with Datascan and also didn't see much of a response during normal cruising, or accelerating. At one point, I got on it pretty good and the left bank O2 dropped to ZERO where it remained for about 2 min of driving and came back up to a value well under 10. The right bank remained(fluctuating) below 10 for some time as well. I haven't done the FSM voltage checks, but was hoping for a quick answer so I can get my hands on O2's before the end of the day. Thanks!
 1993 TT. R.I.P. 09.15.2010
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