I've dealt with that on Euro cars, "Johnson Box" is another one I've seen.

Just start tracing wires and removing, it should be apparent the hack job that was done and where they lead to be removed. The O2 sensor is probably a one wire jobber.

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I'm not a doctor, but I'll have a look.

'85 300SD 245k
'87 300SDL 251k
'90 300SEL 326k

Six others from BMW, GM, and Ford.

Liberty will not descend to a people; a people must raise themselves to liberty.[/IMG]