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High negative STFT and LTFT
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09-30-2025, 04:10 PM
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Teseo
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So could be 2 factor:
Coil packs
MAF/intake related
I did the maf cleaning with CRC maf cleaner and ran ok for a while. Then started to have that bogging on/off throttle in lower RPM's with negative LT Fuel trim (-17.98%).
Coil packs swap next?
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