TC injectors and boost - Toyota Yaris Forums

cdydjded · 02-23-2010, 10:18 PM

Based on the experience of LTNoogie, Garm & ChinoCharles Iv come to the conclusion that that TC injectors are too big & the factory ECU can not control them. They all suffered from the same simptom, CEL, Rich Condition & high RPM misfires. I also know from experience that ECU's of most car today can only handle 10-20% larger injectors. Considering that the stock injector is +/- 190cc & the TC injector is +/- 380cc the problem is obvious. I feel that right now the best injector to use for boosted aplications with a factory ECU is the 1ZZ injector since LTNoogie has had positive results since he installed them.

02-23-2010, 10:18 PM	#1
cdydjded Drives: Yaris LB Turbo Join Date: Aug 2006 Location: Miami FL Posts: 782	TC injectors and boost Based on the experience of LTNoogie, Garm & ChinoCharles Iv come to the conclusion that that TC injectors are too big & the factory ECU can not control them. They all suffered from the same simptom, CEL, Rich Condition & high RPM misfires. I also know from experience that ECU's of most car today can only handle 10-20% larger injectors. Considering that the stock injector is +/- 190cc & the TC injector is +/- 380cc the problem is obvious. I feel that right now the best injector to use for boosted aplications with a factory ECU is the 1ZZ injector since LTNoogie has had positive results since he installed them.

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