Is this normal
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From: lake orion MI
<font face="Verdana, Arial" size="2">Originally posted by justinjjf:
when my 1988z28(maf) is ideling my blms are just about 128/128 but the o2 readings are bouncing anywhere from 150-760....what would cause this? or is it normal?</font>
when my 1988z28(maf) is ideling my blms are just about 128/128 but the o2 readings are bouncing anywhere from 150-760....what would cause this? or is it normal?</font>
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From: In reality
Car: An Ol Buick
Engine: Vsick
Transmission: Janis Tranny Yank Converter
<font face="Verdana, Arial" size="2">Originally posted by justinjjf:
when my 1988z28(maf) is ideling my blms are just about 128/128 but the o2 readings are bouncing anywhere from 150-760....what would cause this? or is it normal?</font>
when my 1988z28(maf) is ideling my blms are just about 128/128 but the o2 readings are bouncing anywhere from 150-760....what would cause this? or is it normal?</font>
The 14.7 AFR stuff is kind of miss leading. It's an average of 14.7 that the ecms maintains. It *toggles* the PW of the injectors to do this, so you see the O2 voltages bounce around.
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Oct 1, 2015 09:50 PM