From my dodgy idle thread:
Quote:
Originally Posted by Me
Reading up a bit more about the O2 sensors in ElsaWin I found the procedure to re-learn the adaptation values (basic settings 32 & 33), and also how to turn them on and off (basic settings 99).
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Measuring block 1 shows the values for each bank:
Might be worth a scan of the wiring diagrams to see if the TB and B1S1 O2 sensor share any wiring. Bad ground maybe?