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07-24-2020, 08:43 PM | #1 |
Scooby Newbie
Member#: 17787
Join Date: Apr 2002
Chapter/Region:
NESIC
Location: Rhode Island, USA
Vehicle:2017 BRZ Limited Performance Package |
Engine swapped, ECU flash not stock
Hey guys,
I bought a 2009 WRX with a blown motor so I dropped in a newer used engine and brought it back to stock. The car runs fine, no problems. But I compared the current flash with the factory tune from: http://www.scoobypedia.co.uk/index.p...ilityList#toc3 A compare in EcuFlash came up with these differences: [20:49:20.018] table Target Boost_ has differences [20:49:20.019] table Requested Torque has differences [20:49:20.019] tables Initial Wastegate Duty_ are not the same size [20:49:20.019] table Requested Torque has differences [20:49:20.019] tables Engine Speed are not the same size [20:49:20.019] tables Max Wastegate Duty_ are not the same size [20:49:20.019] table Requested Torque has differences [20:49:20.019] tables Engine Speed are not the same size [20:49:20.019] table Initial/Max Wastegate Duty Compensation (IAT) has differences [20:49:20.019] table Initial/Max Wastegate Duty Compensation (Atm. Pressure) has differences [20:49:20.019] table Turbo Dynamics Proportional has differences [20:49:20.019] table Boost Error has differences [20:49:20.019] table Turbo Dynamics Integral Positive has differences [20:49:20.019] table Turbo Dynamics Integral Negative has differences [20:49:20.019] table TD Proportional Compensation (IAT) has differences [20:49:20.019] table TD Integral Positive Compensation (IAT) has differences [20:49:20.019] table TD Integral Negative Compensation (IAT) has differences [20:49:20.019] table TD Activation Thresholds (RPM) has differences [20:49:20.019] table Manifold Pressure Sensor Limits (CEL) has differences [20:49:20.019] tables Primary Open Loop Fueling are not the same size [20:49:20.019] tables Engine Load are not the same size [20:49:20.019] tables Primary Open Loop Fueling (Failsafe) are not the same size [20:49:20.019] tables Engine Load are not the same size [20:49:20.019] tables CL Fueling Target Compensation A (Load) are not the same size [20:49:20.019] tables Engine Speed are not the same size [20:49:20.019] table CL Fueling Target Compensation B (Load) has differences [20:49:20.019] table CL Fueling Target Compensation Imm. Cruise (ECT) has differences [20:49:20.019] table CL to OL Transition with Delay (Base Pulse Width) has differences [20:49:20.019] table CL Delay Maximum Engine Speed (Per Gear) has differences [20:49:20.019] table Per Injector Pulse Width Compensation A has differences [20:49:20.019] table Last Calculated Base Pulse Width has differences [20:49:20.019] table Engine Speed has differences [20:49:20.019] table Per Injector Pulse Width Compensation B has differences [20:49:20.019] table Last Calculated Base Pulse Width has differences [20:49:20.019] table Engine Speed has differences [20:49:20.019] table Per Injector Pulse Width Compensation C has differences [20:49:20.019] table Last Calculated Base Pulse Width has differences [20:49:20.019] table Engine Speed has differences [20:49:20.019] table Per Injector Pulse Width Compensation D has differences [20:49:20.020] table Last Calculated Base Pulse Width has differences [20:49:20.020] table Engine Speed has differences [20:49:20.020] table Cranking Fuel Injector Pulse Width B (ECT) has differences [20:49:20.020] table Cranking Fuel Injector Pulse Width C (ECT) has differences [20:49:20.020] table Cranking Fuel Injector Pulse Width D (ECT) has differences [20:49:20.020] table Cranking Fuel Injector Pulse Width E (ECT) has differences [20:49:20.020] tables Cranking Fuel IPW Compensation (Accelerator) are not the same size [20:49:20.020] tables Accelerator Pedal Angle are not the same size [20:49:20.020] table Minimum Tip-in Enrichment Activation has differences [20:49:20.020] table Minimum Tip-in Enrichment Activation (Throttle) has differences [20:49:20.020] table Tip-in Enrichment Compensation (Boost Error) has differences [20:49:20.020] table Min Primary Base Enrichment 1 Cruise has differences [20:49:20.020] table Min Primary Base Enrichment 1 Non-Cruise has differences [20:49:20.020] table A/F Learning #1 Airflow Ranges has differences [20:49:20.020] table MAF Sensor Scaling has differences [20:49:20.020] tables Base Timing Primary Cruise are not the same size [20:49:20.020] tables Engine Load are not the same size [20:49:20.020] tables Base Timing Reference Cruise (AVCS related) are not the same size [20:49:20.020] tables Engine Load are not the same size [20:49:20.020] tables Base Timing Primary Non-Cruise are not the same size [20:49:20.020] tables Engine Load are not the same size [20:49:20.020] tables Base Timing Reference Non-Cruise (AVCS related) are not the same size [20:49:20.020] tables Engine Load are not the same size [20:49:20.020] table Base Timing Idle Minimum has differences [20:49:20.020] tables Knock Correction Advance Max Cruise are not the same size [20:49:20.020] tables Engine Load are not the same size [20:49:20.020] tables Knock Correction Advance Max Non-Cruise are not the same size [20:49:20.020] tables Engine Load are not the same size [20:49:20.020] table Fine Correction Range (Load) has differences [20:49:20.020] table Rough Correction Range (Load) has differences [20:49:20.020] table Rough Correction Minimum KC Advance Map Value has differences [20:49:20.020] tables Intake Cam Advance Angle Cruise (AVCS) are not the same size [20:49:20.020] tables Engine Load are not the same size [20:49:20.020] tables Intake Cam Advance Angle Non-Cruise (AVCS) are not the same size [20:49:20.020] tables Engine Load are not the same size [20:49:20.020] table Target Throttle Plate Position Cruise (Requested Torque Ratio) has differences [20:49:20.022] table Target Throttle Plate Position Non-Cruise (Requested Torque Ratio) has differences [20:49:20.022] table Target Throttle Plate Position Maximum (Requested Torque Ratio) has differences [20:49:20.022] table Intake Temp Sensor Scaling has differences [20:49:20.022] table Intake Temp Sensor has differences [20:49:20.022] table Coolant Temp Sensor Scaling has differences [20:49:20.022] table Coolant Temp Sensor has differences [20:49:20.022] table Gear Determination Thresholds A has differences [20:49:20.022] table Gear Determination Thresholds B has differences [20:49:20.022] table Gear Determination Thresholds C has differences [20:49:20.022] table Idle Speed Target A has differences [20:49:20.022] table Idle Speed Target B has differences [20:49:20.022] table Idle Speed Target C has differences Does it make sense to just restore the factory flash? I'm not a tuner, I just know a bad tune can damage a motor and I know nothing about what was done to this ECU before I got it. Previous owner claimed it was not tuned of course.
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Last edited by Haohmaru; 07-24-2020 at 08:52 PM. |
07-24-2020, 09:06 PM | #2 |
Scooby Newbie
Member#: 17787
Join Date: Apr 2002
Chapter/Region:
NESIC
Location: Rhode Island, USA
Vehicle:2017 BRZ Limited Performance Package |
Looking at the compare further, I noticed this:
[21:00:51.387] metadata model: AZ1G401V | A2TB001N A2TB001N is the ID for a 2008 Legacy GT. Am I correct in assuming someone flashed this WRX with a 2008 Legacy GT tune? |
07-28-2020, 04:34 AM | #3 |
Scooby Specialist
Member#: 6176
Join Date: Apr 2001
Chapter/Region:
NWIC
Location: Roy,WA
Vehicle:15 WRX, 04 wrb STi 85 wrb BRAT |
First, how are the saved values tables ? Knock, fuel trim ? That may show you if it's safe to keep driving the way it is.
I would download that LGT tune, compare the tables to your current tune. If they all match, then it wasn't really tuned, just changed. I saw the A2TB001N is suppose to be updated to get rid of hesitation on acceleration. And the lgt was tuned for 20HP more then the same year wrx. But I don't know about using it across different models (legacy/wrx) If some tables don't match, then it was also tuned. Since the motor was blown, I would probably want to switch back to a stock tune. |
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