RESOLVED- ultrasonic injection cleaning/rich running

Started by wotugonado, December 6, 2015, 15:05

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StuC

#50
March 10, 2016, 21:22 Last Edit: January 1, 1970, 01:00 by Guest
The read out numbers that are pertinent to the diagnosis.
If it is everything on the screens, so be it. I didn't want to just copy all of it down if it wasn't necessary.
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lamcote

#51
March 10, 2016, 23:00 Last Edit: January 1, 1970, 01:00 by Guest
What is the difference between the B1 and B2 fuel trims?
Silver 2004 MR2 -  Unmodified but very shiny.

wotugonado

#52
March 10, 2016, 23:19 Last Edit: January 1, 1970, 01:00 by Guest
Ah OK so from what I'm led to believe the long term fuel trim should fluctuate between + or - 8 and this is acceptable. Anything over this is showing a problem either running lean+ or running rich -.
Mine were - 11 and - 13 and sometimes worse. I don't think it throws a code till you reach the 20s hence why no eml.
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