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N54 stft and afr
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03-25-2020, 06:49 AM | #1 |
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N54 stft and afr
Hello, can anyone analyse my datalog? I have a high stft especially on bank 1. I changed injectors on cyl 1 and 2 and 3 and my sparks plugs but atill getting high stft and also afr on bank 2 after letting off gas pedal is reaching 234 before bank 1 afr.
Can i solve these problems with tune??? Thank you https://datazap.me/u/georgesfeg/fuel...0-508&mark=461 |
03-25-2020, 07:30 AM | #2 |
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I think it would be easier to diagnose if there was an issue with a log of a steady acceleration.
If you have an auto, you need a 3rd gear log. I start at about 15 mph with the car in Sport and the DSC turned off. Floor the accelerator and don't let off until after the trans shifts to 4th gear. |
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03-25-2020, 09:15 AM | #3 | |
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Quote:
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03-25-2020, 11:55 AM | #4 |
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https://datazap.me/u/georgesfeg/air-...15-16-21-22-23
this is a new log. but i think when iat is over 90F cyl correction happen |
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