09-21-2020, 01:44 PM
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#5 (permalink)
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Track Member
Join Date: Mar 2016
Location: San jose
Posts: 854
Drives: 2013 370z sport
Rep Power: 3385
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Quote:
Originally Posted by sjwoodwalker
I appreciate the reply. I guess I should have put these question in the original post, but:
STFT B1 0.00% = Short-Term Fuel Trim for Bank 1 (right side)
LTFT B1 0.00% = Long-Term Fuel Trim for Bank 1 (right side)
STFT B2 1.60% = Bank 2 (left side)
LTFT B2 3.10%
Why is my STFT and LTFT B1 both at 0.00%? Should it be reading something like the bank 2s?
Also on the O2 sensors and A/F Sensors, what is the correct voltage for those? I had read they were supposed to be below .8v
Thanks again!
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You got it backwards, your B2 ideally should be more like your B1. Your B1 is doing zero corrective action so it’s mapping based off the MAF and then feedback from the AFR sensor is perfect. Your B2 is either under reporting air from MAF, slight vacuum leak, exhaust leak before AFR etc making it have to correct and add fuel. Although 3% isn’t a huge variation.
As to it being related to your misfire, I doubt it.
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