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Old 08-30-1999, 03:32 PM
Chris C.
Posts: n/a
Well according to Geo. Murphy the last sensor on the head is the one you want, and the wire color is green w/ red tracer also I would stick w/ the 470 resistor as this is what is suggested.
I have not done this "upgrade" so your on your own.
BTW I also understand there has been an upgrade with the fuel pump relay giving a little richer idle, at warmer temps?
My 86' 300E had same type of problems, a new O2 sensor really straightened things out.
The clunk, maybe the bad mounts?
good luck,
Chris C.