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ECMlink What am I doing wrong? FIC 1680 high Z injector scaling

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chrisman287

Proven Member
1,141
1,066
Jul 19, 2021
New York
I put these 1680s on the other day. Originally I tried ecmtunings settings of -72 global with the injbattadj settings provided by them and the car wouldn't start. It really only ran well with the global around -44.9 and additional 135 deadtime which didn't seem right but STFT was around 0 and LTFT and combinedFT both around 3-4% which I thought was ok-ish.

Took the car for a drive and while idle was decent, cruising seemed off. Before with the FIC 1050 low Zs the AFRs around town were 14.3-15.2 and now they were around low-mid 13s. I came to a stop and the car stalled out which NEVER happened before. Jumped on the highway and AFRs were again muchhhh richer than usual.

I feel like I'm doing something wrong?? After the drive I put the injbattadj back to stock and now have the global at -69.1 which is closer to what I think it should be and I have the deadtime at 440. STFT, LTFT and combinedFT are all around 0. I haven't taken the car back out yet but I feel like I'm in for similar results :(

Picture of the injectors, a snapshot of the log when I was on the highway and it was super rich, and a short log of the current settings. Pls help

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