Oscillating air fuel ratio

K-Series Programmable ECU installation questions / support issues
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BoostedK
Posts: 6
Joined: Sun Oct 30, 2011 10:04 am

Oscillating air fuel ratio

Post by BoostedK »

I noticed if I enable my secondary o2 sensor under the "closed loop" tab my air/fuel ratios and short trim will oscillate +/- 1-2%. The A/F ratio and s.trim are stable in open loop and if I disable the secondary o2. Any ideas as to why?
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Spunkster
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Re: Oscillating air fuel ratio

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