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SVTPerformance's Chain of Restaurants
Tuning À la carte
What determines stft during open loop?
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<blockquote data-quote="01yellercobra" data-source="post: 16853109" data-attributes="member: 35549"><p>But if it's fine when it warms up I don't know that the MAF curve needs work. Unless the long term fuel trims are way off the chart to bring everything in. </p><p></p><p>Granted I don't remember messing with the warm up stuff too much on the stock ECU. Aside from lowering the warm up temp. </p><p></p><p>If the LTFT are within spec, or even turned off, I'd look into the warm up side of things. Since the ECU isn't actually correcting in open loop and just going off what is in the tune.</p></blockquote><p></p>
[QUOTE="01yellercobra, post: 16853109, member: 35549"] But if it's fine when it warms up I don't know that the MAF curve needs work. Unless the long term fuel trims are way off the chart to bring everything in. Granted I don't remember messing with the warm up stuff too much on the stock ECU. Aside from lowering the warm up temp. If the LTFT are within spec, or even turned off, I'd look into the warm up side of things. Since the ECU isn't actually correcting in open loop and just going off what is in the tune. [/QUOTE]
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SVTPerformance's Chain of Restaurants
Tuning À la carte
What determines stft during open loop?
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