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04-21-2009, 08:14 PM | #109 |
Drives: 2009 Yaris Hatchback Join Date: Feb 2009
Location: NJ
Posts: 792
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04-21-2009, 08:15 PM | #110 |
^no, not unless you also capped the hoses.
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04-21-2009, 08:17 PM | #111 |
Drives: 2009 Yaris Hatchback Join Date: Feb 2009
Location: NJ
Posts: 792
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04-22-2009, 01:41 AM | #112 | |
Super Moderator
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Quote:
I'm also considering capping the (now useless) tubes... What did you use for that?
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04-22-2009, 10:06 AM | #113 |
Drives: 2009 Yaris Hatchback Join Date: Feb 2009
Location: NJ
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Just a few inches of rubber tubing with a little brass plug on the end. I found the plug's at Lowe's in the same section as the barb union coupler.
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04-22-2009, 02:09 PM | #114 |
1NZ-FE
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did everybody trim the OEM TB gasket to allow more air flow as t-sport did?
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04-22-2009, 02:17 PM | #115 |
toyota
Drives: 2007 Yaris RS Blazed Join Date: Oct 2006
Location: toronto, canada
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[QUOTE=jkuchta;275971]As far as I can tell, the TB is heated to give better fuel economy. Why a cold charge would cause those problems is beyond me.
im assuming the high rev on cold start is due to oil being cool has to warm up .. |
04-22-2009, 04:58 PM | #116 |
Drives: 2009 Yaris Hatchback Join Date: Feb 2009
Location: NJ
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No good so far. Oscillation is way worse at cold start up than before the chip swap and I got a CEL within 10 minutes of driving :(
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04-22-2009, 05:28 PM | #117 |
toyota
Drives: 2007 Yaris RS Blazed Join Date: Oct 2006
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04-22-2009, 05:50 PM | #118 | |
Quote:
Last edited by AlexNet0; 04-29-2009 at 06:55 PM. Reason: duh.... |
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04-22-2009, 06:02 PM | #119 |
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Do you think that will have an impact on engine life and/or MPG in the end? I really like this mod, but I may not keep it if it's doing any damage...
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04-22-2009, 06:39 PM | #120 |
I'm still getting 37-38mpg per tank with the 1ZZ TB...and I've had it on for nearly 1000 miles so far.
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04-22-2009, 06:40 PM | #121 |
04-23-2009, 12:24 AM | #122 |
Drives: 2009 Yaris Hatchback Join Date: Feb 2009
Location: NJ
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Unless someone can convince me otherwise, I'm putting the stock TB back on tomorrow. I can handle the CEL but the oscillation is a little scary. After the chip swap, it oscillates very heavily from 2k to 3k for almost 2 minutes.
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04-23-2009, 02:40 AM | #123 |
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do this, put the stock TB back and drive it for over a week with out doing and or trying anything at all and then swap the chip back to 1zz and try it again, this helps your ecu to remember the normal setup, then give it a fresh try after that. it worked for me.
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04-23-2009, 07:40 AM | #124 |
I concur with T-Sport. Giving it a 2nd try made it work for me too.
35-38 mpg now for 3k miles with new TB. No issues at all, except high cold idle. I really think it's worth it.
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04-23-2009, 10:25 AM | #125 |
Drives: 2009 Yaris Hatchback Join Date: Feb 2009
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I love the performance of the 1ZZ but the harsh oscillation is a killer. So I should reinstall the stock TB & chip for a week or so and then start over with the 1ZZ and chip swap?
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04-23-2009, 11:19 AM | #126 | |
Quote:
I pulled mine back off, waited a week, did the chip swap again, and re-installed and have had no probs since.
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