Oxygen Sensor

[GcDiaz]

No, no leaks of any kind. Or if there are leaks, they evaporate super fast, because there's never anything under the car.

[MAJ28]

I hate to say it, but at this point, I'd start shotgunning it.  I got a whole computer at my local yard for $35, it's worth a shot.

»Jason

[Guest]

Did you ever figure this out?  Your problem sounds alot like mine...

[Racing_Rush]

I supposed you already took a can of brake cleaner on a *COLD* engine while it was running and sprayed the brake cleaner over the vacuum lines, around the intake manifold, throttle body, etc. and listened for a change in idle while doing it...

One place I had a problem was on the passenger side front of the motor right on top of the watter pump.  Theres a vacuum line that comes from under the upper plenum and goes to a canister under the radiator coolant overflow.  That one fell apart on me when I touched it so I replaced it and my idle problems went away.  Its a start.

[smitty286]

On my '94, that disconnected metal line is connected to the transmission modulator valve (they went to the 3100 in '94, so the setup is slightly different).  Your transmission won't shift right without that input, and you'll tear the bands up...

[leadfoot93]

yeah i don't know if it's on the earlier cars but so far as the 93 goes there isin't one just a little plug so if it was a transfer it could be for a transmision you don't have

[smitty286]

Ah, missed the comment about the swap...sorry!