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Old 08-05-2010, 01:08 PM   #54
mneste8718
Scooby Specialist
 
Member#: 51562
Join Date: Dec 2003
Chapter/Region: South East
Location: Raleigh NC/High Point NC
Vehicle:
2004 WRX Sedan PSM
EJ205 VF39@22psi 300whp

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I'm not sure if this might be the case but you might not be seeing knock correction for that light throttle jolt because the knock correction tables are usually at 0 around that light of a load and low rpm value. What you can do is increase those 0s to 2 or 3 degrees and log the results, if you see that it is pulling timing in the area where it is hesitating, you will need to decrease the base map iginition advance. I had this happen in MY04 and finally I took a look at the base map on light load columns and found that there was way too much advance in one cell. Lowered it and it fixed the hesitation.
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