SCTPRS: STFT banks all over the place

Mach828

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Mar 21, 2010
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I have been wanting to get my car to run in closed loop but whenever I put it in closed loop the bank to bank fuel trims go nuts. One side will be .9 and the other 1.10 and they are constantly correcting in huge sweeps. In open loop the car will run within 5% of lamba and drives cherry, so I just keep it in open loop. In closed loop it is barely driveable.

I have new OEM ford o2 sensors and long tube headers. I've adjusted the O2 transport delay from 0 to 150% from the base value and no change. FRPP 60lb injectors and I used Fords data for the injectors.

Any recommendations?
 

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