Limp MAP - 2004 WRX
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This is a discussion on Limp MAP - 2004 WRX within the Tuning: Electronic Engine Management forums, part of the Tech & Modifying & General Repairs category; Throwing new 1000cc injectors, 16G tubro and intercooler upgrade on the 2004 EJ20 WRX and need a limp map to ...

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    Registered User KenFerrari13's Avatar
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    Limp MAP - 2004 WRX

    Throwing new 1000cc injectors, 16G tubro and intercooler upgrade on the 2004 EJ20 WRX and need a limp map to get to the dyno shop? Checked out COBB and nothing to be found on there free opensource maps. Help!!

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    Master Baiter EJ257's Avatar
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    The shop you're getting the tune from should provide it.
    2005 WRX STi (Mods | Virtual Dyno)

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    "Never trust anything that bleeds for a week and lives ..."

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    Registered User bbrock171's Avatar
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    Quote Originally Posted by KenFerrari13 View Post
    Throwing new 1000cc injectors, 16G tubro and intercooler upgrade on the 2004 EJ20 WRX and need a limp map to get to the dyno shop? Checked out COBB and nothing to be found on there free opensource maps. Help!!
    I'm in the same boat. Injectors and turbo upgrade, and need to drive quite a ways to get to the shop. From what I've read to get a baseline on the injectors started at a minimum you need to change the injector scale value based on the size injectors and latency values depending on which injectors you have. Then you have to fine tune the scale based on fuel trims (sum of AF Correction 1 and AF Learning 1), and for larger injectors might need to adjust cranking IPW and tip-in enrichment as well. As far as the turbo, I would just stay completely out of boost if you're going to drive it for a short period untuned. I *think* it's much more involved...boost targets, turbo dynamics, wastegate duty, maf calibration, etc. etc. etc. I'll probably just have my car towed if they don't give me a map to get there on.

    I really want to learn how to tune my own car. 2yrs of research and I still have so much to learn, ugh.

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