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Narrowband in closed loop throwing lambda out

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Hi All

I had my open loop maf scaling EQ Err between -0.20 to 0.50 and when I put it back in to closed loop last night now narrowband sending my wideband all over the place from .97 lambda to 1.05 lambda will check EQ err tonight when I save the log of the mpvi2 on to the laptop.

Is it worth leaving it in open loop permanently where my wideband sits between .99 lambda and 1.01 lambda . Or just move on to doing my SD Tuning to vve and then come back to the maf

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