It was little difficult reading the rest of this thread while shaking my head but I'll clear a few things up. First, putting a NB signal into ground won't cause damage because lambda signals are low voltage/high impedance. Second, in spite of what my own TEWD shows the harness side O2 wire on my 87T is brown, not white. Third, I was advising how to sort the wiring out. At no time did I think the OP's problem was related to it. Which brings us to....
I've said this so many times I've lost count but I'll do it again: In a properly operating TCCS it's not possible for a bad O2 signal can cause driveability problems. You can open it, short it to ground, make it full rich or lean, whatever. It *will not* make the engine sputter, hesitate, bog, idle wrong, or do anything else that'll be noticeable from a driveability standpoint. Anyone who thinks it will doesn't understand how EFI systems work in general and this one in particular.
If you have driveability problems you're wasting time by messing with the O2 sensor. Period. A faulty lambda input will only effect emissions and fuel economy. Now before I hear from people who solved driveability problems by replacing the sensor, save it. All you did was resolve a symptom from a different underlying issue, one that's probably still there.
I've said this so many times I've lost count but I'll do it again: In a properly operating TCCS it's not possible for a bad O2 signal can cause driveability problems. You can open it, short it to ground, make it full rich or lean, whatever. It *will not* make the engine sputter, hesitate, bog, idle wrong, or do anything else that'll be noticeable from a driveability standpoint. Anyone who thinks it will doesn't understand how EFI systems work in general and this one in particular.
If you have driveability problems you're wasting time by messing with the O2 sensor. Period. A faulty lambda input will only effect emissions and fuel economy. Now before I hear from people who solved driveability problems by replacing the sensor, save it. All you did was resolve a symptom from a different underlying issue, one that's probably still there.
