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04-04-2012, 06:18 PM | #1 |
Scooby Newbie
Member#: 307759
Join Date: Jan 2012
Chapter/Region:
NWIC
Location: Seattle, WA
Vehicle:2004 Impreza WRX |
flashing XPT Roms without wideband 02 sensor
So I recently set myself on reflashing using an OBD2 cable I had made, and had a few questions pertaining to throwing a Stage 2 map on a car that likely lacks the part requisites for such a map. Performance parts include:
(Vehicle is an 04 WRX MT) -3" turbo back exhaust -walbro 255lph pump -(Soon to be completed) Uppipe. I'd much rather go with a stage 1, but I can't seem to find any (free) tunes around. I don't have a wideband 02 sensor, so would I be able to, on the basis of this vehicle being a moderately-driven daily driver, refine a stage 2 tune down using ECU sensor readings? Would it be easier, with what I have, to tweak a stock map up, or tweak a stage 2 down? Thanks in advance,
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04-05-2012, 03:13 AM | #2 |
Scooby Newbie
Member#: 244552
Join Date: Apr 2010
Chapter/Region:
International
Location: Lithuania
Vehicle:MY11 Impreza WRX STI White |
Subaru ECU has methods to compensate for many things, so I'd just flash Stage 2 map and tune boost with the WG actuator, not touching the map itself.
When you're happy, drive around, check for knock with Learning View and RomRaider. I don't think it's worth fiddling around with the map, if you plan some "hardware" changes soon. |
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