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Open-Loop Fault ?

EFI Tuning Fundamentals

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Hello Friends,

I finished the EFI tuning and Re-flashing Courses, started working on my Project, did a few basic Configuration the problem started when i tried to tune the WOT Air-to-Fuel Ratio, the Fuel state in VCM Scanner shows "OL-Fault" ?

My Car is V6 Mustang 3.7L 2014, just installed Long Tubes, extended the harness for O2 Sensors works just fine, all the readings seems fine, i can tune the Idle and cruise and even Partial throttle, re-scaled the MAF sensor a bit, tried to do the WOT and here the problem started,

did a lot re-search on it I couldn't Find much about Open-Loop fault, So any one can maybe help a newbie here?

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