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SignUp Now!Heated o2 makes no difference in readings... should be 700-800 at idle... you may have a vac. leak....
What's the wideband say? I thought you had one.
Whats your blm's once you get into closed loop?
You can add fuel with the pro to get the o2 number up but generally idle and cruise should be tuned off your BLM's.
Again, what is you BLM's, motor warm in park?
Rick
It's goes up and down it was at 150 then dropped to 128 then back to 150.
150 blm + 250 O2's = bad vac leak..... somewhere.....
How sure are yoy about it being a vac leak?
try a different chip. just went this on my gn. o2 mv would be 300/400 when first started, then drop to90/100mv. changed a lot of stuff before i got to the chip got one from tt/runs great