Quote:
Originally Posted by Ammorack
Yes I have that OBD1 I guess it’s called. I have faultcodes for missing or absent o2 sensor. It’s a new o2 sensor from Bosch. 120$
I haven’t tried the tps test yet. I have some errands to do now :/
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When did you get that code? It's Volvos own fault code reader, definitely not OBD although it's a similar idea.
As you've pulled fuse #1 several times recently, if that was a historical code it should be clear but if the problem is overfueling for whatever reason, it will throw a Lambda sensor code, even if the sensor is fine. It will also default to Limp Home values so won't be running anywhere near as rich as yours is.
If you can do those test on those two wires later and let us know, we should have a few more clues.