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Old 10-06-2012, 01:43 AM   #39
OC_Nooby
Scooby Specialist
 
Member#: 311781
Join Date: Feb 2012
Location: Canada
Vehicle:
2003 WRX w STI V8

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Quote:
Originally Posted by NSFW View Post
What's the MAF sitting in? If it's in a stock WRX intake, then use the scaling from that WRX.

I disable closed-loop and scale the MAF for idle, cruise, mild acceleration, and wastegate boost, usually in that order. Then I turn up the boost a couple psi at a time.

It's important to check low-load AFR errors at low boost and wastegate boost periodically as you're turning up the boost, and after you've got full boost working well. You may run into issues where the same MAFv has different AFR errors at different RPM, due to quirks of the fuel injectors and/or fuel rails. The "Engine Load Compensation (MP)" table can be used to dial those out.
Currently suffering from other weird idle issues (made a new thread), I think its injector related. Thanks for the tips, will try them out as soon as I figure out why my idle is wonky at times.
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Last edited by OC_Nooby; 10-06-2012 at 01:50 AM.
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