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Old 10-19-2016, 11:35 AM   #1
David C
 
Drives: White '07 3dr LB
Join Date: Jun 2016
Location: Montreal
Posts: 480
Did mine too and I did remove the neg from the battery for over a minute to reset the ECU, and since then I've noticed the car would reach higher RPM on strong acceleration before shifting gear (automatic transmission) that it did before. Looking at my fuel gauge (I filled up right after doing the mod), it seems I'm getting very poor mileage so far, but it could be due to many other factors, like the gas station auto-stop fuelling setting, the colder weather that just started (thus using the PTC heater more and blower fan more), etc. Perhaps the ECU needs more time to recalibrate with the air/fuel flow during fast acceleration. I would reach 4 000rpm easily from a dead stop before first first while before it wouldn't go beyond 3 500 rpm. Good/bad ?
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Old 10-20-2016, 02:07 PM   #2
jcboy
 
Drives: Sedan 07
Join Date: Oct 2012
Location: Asia
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Quote:
Originally Posted by David C View Post
Did mine too and I did remove the neg from the battery for over a minute to reset the ECU, and since then I've noticed the car would reach higher RPM on strong acceleration before shifting gear (automatic transmission) that it did before. Looking at my fuel gauge (I filled up right after doing the mod), it seems I'm getting very poor mileage so far, but it could be due to many other factors, like the gas station auto-stop fuelling setting, the colder weather that just started (thus using the PTC heater more and blower fan more), etc. Perhaps the ECU needs more time to recalibrate with the air/fuel flow during fast acceleration. I would reach 4 000rpm easily from a dead stop before first first while before it wouldn't go beyond 3 500 rpm. Good/bad ?
I believe the fuel ratio is maintained by the ecu so if you are feeding more air, your fuel consumption will also suffer.


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