Timeline for What does the ECU use the long term fuel trim for?
Current License: CC BY-SA 3.0
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| Apr 13, 2017 at 12:47 | history | edited | CommunityBot |
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| Oct 5, 2016 at 12:03 | history | tweeted | twitter.com/StackMechanics/status/783638718238294016 | ||
| Oct 4, 2016 at 19:52 | history | edited | Jason C | CC BY-SA 3.0 |
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| Oct 4, 2016 at 19:40 | history | edited | Jason C | CC BY-SA 3.0 |
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| Oct 4, 2016 at 15:58 | answer | added | Jason C | timeline score: 2 | |
| Oct 4, 2016 at 15:47 | comment | added | Pᴀᴜʟsᴛᴇʀ2♦ | Knee jerk to your question? If it didn't need it for something, why would it store it? From my limited overall knowledge of it, LTFT are the stored fuel memory which stays there when the vehicle is shut off. It is used to allow the engine to run well over a period of time. The STFT are in volatile memory which gets dumped when the vehicle is shut off. I could be wrong, though, so leaving this as a comment. | |
| Oct 4, 2016 at 15:19 | history | edited | Jason C | CC BY-SA 3.0 |
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| Oct 4, 2016 at 15:12 | comment | added | Jason C | Oh cool I think I found the original patent on the O2 sensor based closed loop feedback system: docs.google.com/viewer?url=patentimages.storage.googleapis.com/… (also google.com/patents/US3815561 looks like an evolution of it) -- No time now but I think I'll be able to post my own answer here after I read it. | |
| Oct 4, 2016 at 15:05 | history | edited | Jason C | CC BY-SA 3.0 |
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| Oct 4, 2016 at 14:58 | history | asked | Jason C | CC BY-SA 3.0 |