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Added November 15, 2024 by dinardon07
Analysis of this third gear pull continues to show the same concerning lean conditions as previous logs. With MHD Stage 2+ v1.09 on E20, the DME is struggling to maintain target lambda values under load despite stable boost control. Lambda values are consistently deviating lean from the ideal 0.82-0.85 target range, even with maximum fuel corrections being applied. Given this is the third consecutive log showing identical behavior, we can definitively rule out transient conditions or one-off events. The consistency of these lean conditions strongly points to a systematic fuel delivery limitation. Most likely culprit is fuel system hardware performance, particularly the LPFP and/or HPFP efficiency under increased Stage 2+ demands. The stability of boost control while running lean suggests adequate airflow but insufficient fuel delivery to match.
Analysis of this third gear pull continues to show the same concerning lean conditions as previous logs. With MHD Stage 2+ v1.09 on E20, the DME is struggling to maintain target lambda values under load despite stable boost control. Lambda values are consistently deviating lean from the ideal 0.82-0.85 target range, even with maximum fuel corrections being applied. Given this is the third consecutive log showing identical behavior, we can definitively rule out transient conditions or one-off events. The consistency of these lean conditions strongly points to a systematic fuel delivery limitation. Most likely culprit is fuel system hardware performance, particularly the LPFP and/or HPFP efficiency under increased Stage 2+ demands. The stability of boost control while running lean suggests adequate airflow but insufficient fuel delivery to match.