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Engine Tech Technical discussion related to all relevant engines such as KA, SR, RB, CA, 2JZ , L24/26/28, VG, VQ, and LSx series.


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Old 09-15-2014, 06:00 AM   #1
Koukimonster91
 
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idle problems power fc d jetro

Been trying to chase this problem for a while now, but when the car hits its operating temp it hunts for idle 500~-1500~ rpm. Just installed a afr gauge and when it hunts, it bounces back and forth from 12.3 to full lean. Cleaned iacv, replaced coolant temp sensor, checked all vac lines....any suggestions? I've ordered a datalogit cable to idle relearn and see if that's the problem. Car is from japan with a japan tune so that may be the issue. Car is a blacktop sr, trust td06 20g, sard 850 cc, apexi metal hg.
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Old 09-15-2014, 05:04 PM   #2
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Uh, richen the areas of the fuel map where the idle falls to keep it steady (it needs tuning)
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