ApexGT
Well-known member
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It probably has a loop with a resister in it to mimic the voltage feedback of the O2 sensor. However, that voltage is supposed to be constantly changing and flickering up and down as the ECU constantly tries to find 14.7 stoichiometric under changing conditions, so not sure how this device avoids a ECU error code for a bad O2 sensor, which would put you in default maps, IIRC.
What are you hoping to gain from it? The ECU can compensate for quite a bit. Using a PC V requires unplugging the O2 sensor.
Don't honestly know. Typically the default map is ~ok~ but a little rich over the entire range to be on the safe side. Not what I would consider a performance plus. Better in some areas, worse in others. Think boggy down low, but good once you're up in the rpms and have enough air to use the slightly rich fuel mix. Probably sucks the mpg down pretty obviously.It probably has a loop with a resister in it to mimic the voltage feedback of the O2 sensor. However, that voltage is supposed to be constantly changing and flickering up and down as the ECU constantly tries to find 14.7 stoichiometric under changing conditions, so not sure how this device avoids a ECU error code for a bad O2 sensor, which would put you in default maps, IIRC.
What are you hoping to gain from it? The ECU can compensate for quite a bit. Using a PC V requires unplugging the O2 sensor.
Do the "default maps" failsafe to rich? or is this a run like crap limp mode?
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