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02-18-2013, 08:48 AM | #361 |
#1 Lemming
Drives: Light Blue '08 Yaris Join Date: Mar 2010
Location: Milwaukee, WI
Posts: 760
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That sucks that all of you are having such problems with the 030 1ZZ TB. I ran mine for almost a year, and only had that issue for 15 minutes while the ECU sorted it out. From then on, it was only a high rev on cold start, and leveled out after about 2-3 minutes.
Props to tooter for the advice given to everyone, he seems to have found the fix without the chip swap.
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02-18-2013, 03:40 PM | #362 |
My Face Is Ridiculous
Drives: 2010 Toyota Yaris 3dr LB Join Date: Dec 2011
Location: Scott, LA
Posts: 456
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I can't wait to see somebody post up a dyno chart showing this manifold coupled with I/H/E :D
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02-18-2013, 08:32 PM | #363 | |
advocatus diaboli
Drives: 07 Yaris hatch Join Date: Mar 2011
Location: San Jacinto California
Posts: 1,126
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Quote:
Chip swap won't make a difference, I've been using the 1zz with the same problems, they just don't bother me. I like the idle hang. I get it during shifting(in a stick it's handy!) at high RPM, once in a while it'll be a momentary thing going from 1-2 in a parking lot, releasing the clutch stops it right away. I deal with the issues because of the boost in performance and the adjustable idle. I keep my idle between 900-1000, I absolutely hated the idle drop when the power system had a surge(subs or AC) and was wiling to do most anything to make it stop...I'm happy as a clam. I do notice however, if I let the ecu(p0505 code) stay on long enough the ecu will adjust the idle on it's own down to about 750 which causes an occasional stall out if I shift into neutral at something like 50-60mph coasting onto an offramp. For that reason I just use my scangauge to clear the code every couple of days when it pops up. I drive upwards of 400 miles a week in this car.
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02-18-2013, 08:45 PM | #364 |
Drives: 2008 Yaris HB MT Join Date: Jan 2009
Location: Portland, OR
Posts: 100
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An update: a bit more tweaking and I've got this 1zz throttle body dialed in. The car drives great now, about 250 miles on the car since install. It takes about 30 seconds for the idle to climb down on cold starts and it's fine after that. I took the car out on some of my favorite roads and the new manifold/throttle body gave it a noticeable power bump, it's especially snappy coming out of tight corners in 2nd and 3rd gear while high in revs.
Overall I'm extremely happy with the upgrade! Thanks again for the advice everyone. |
02-18-2013, 08:54 PM | #365 | |
play every day
Drives: 2012 Yaris L 2dr 5sp Join Date: Apr 2012
Location: Los Angeles
Posts: 1,961
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Quote:
The 1ZZ throttle body is one of the best bang for the buck mods you can do because it enhances all of the other mods. |
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02-18-2013, 09:09 PM | #366 | |
advocatus diaboli
Drives: 07 Yaris hatch Join Date: Mar 2011
Location: San Jacinto California
Posts: 1,126
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Quote:
What are you idling at?
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02-19-2013, 01:46 AM | #367 | |
Super Moderator
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Quote:
Other than the high idle at cold starts (which I'm fine with), I have nothing to complain about. It's been running great for many years, and it did in fact make the rest of my existing performance mods shine even more. BTW, Did you guys bypass the coolant line on your 1ZZ TBs? I did it since day one with no issues so far. Just wondering if you all did the same...
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02-19-2013, 10:14 AM | #368 |
ULTIMATE
Drives: 07 Yaris Turbo Join Date: May 2007
Location: Canoga Park, CA
Posts: 14,859
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^ That's the free secret mod right there. Not recommended in very cold climates, though.
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02-19-2013, 11:05 AM | #369 |
My Face Is Ridiculous
Drives: 2010 Toyota Yaris 3dr LB Join Date: Dec 2011
Location: Scott, LA
Posts: 456
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to be honest I really want the intake manifold...but if I'm going to get it I want the most out of it and that means running a 1ZZ throttle body....but apparently there are some idle issues associated with it.
also I refuse to keep throwing ECU codes, which someone mentioned he does up above and just clears it every few days. that's a big bummer because I actually traded in a 325i after spending nearly 5K in one year trying to fix an idle issue. I refuse to introduce one to my Yaris.....now I've got more to think about regarding the manifold :( |
02-19-2013, 11:43 AM | #370 | |
play every day
Drives: 2012 Yaris L 2dr 5sp Join Date: Apr 2012
Location: Los Angeles
Posts: 1,961
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Quote:
...until you step on the gas. The everyday driveability and throttle response are both superb. |
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02-19-2013, 11:58 AM | #371 |
My Face Is Ridiculous
Drives: 2010 Toyota Yaris 3dr LB Join Date: Dec 2011
Location: Scott, LA
Posts: 456
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ok, I just REALLY don't want to have to mess with idle issues again.
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02-19-2013, 01:30 PM | #372 |
advocatus diaboli
Drives: 07 Yaris hatch Join Date: Mar 2011
Location: San Jacinto California
Posts: 1,126
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If you're happy with the way the car idles stock you'll likely only be dealing with the high idle on cold starts. I wanted to idle at about 1k so the trade off of spending literally 1 second pressing buttons every couple of days is worth it. Remember, for me a couple of days is a couple hundred miles...
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02-19-2013, 02:32 PM | #373 | |
#1 Lemming
Drives: Light Blue '08 Yaris Join Date: Mar 2010
Location: Milwaukee, WI
Posts: 760
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Quote:
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02-19-2013, 04:40 PM | #374 |
ULTIMATE
Drives: 07 Yaris Turbo Join Date: May 2007
Location: Canoga Park, CA
Posts: 14,859
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^ That's good to know.
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02-19-2013, 07:55 PM | #375 |
Drives: soarer Join Date: Feb 2011
Location: Beautiful British Columbia
Posts: 954
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Sorry for a stupid question: Why do you guys need to bypass the coolant lines from the TB?
Just TB preventing the original lines to be used or there is smth else? |
02-19-2013, 08:31 PM | #376 |
play every day
Drives: 2012 Yaris L 2dr 5sp Join Date: Apr 2012
Location: Los Angeles
Posts: 1,961
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The coolant hose fittings are oriented differently on the two throttle bodies...
I just jiggered the hoses around until they fit without kinking. |
02-19-2013, 08:50 PM | #377 | |
advocatus diaboli
Drives: 07 Yaris hatch Join Date: Mar 2011
Location: San Jacinto California
Posts: 1,126
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Quote:
I ran out of hose...never got back to it. I could probably do it right now I guess
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02-20-2013, 02:43 AM | #378 |
Drives: soarer Join Date: Feb 2011
Location: Beautiful British Columbia
Posts: 954
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^Thx
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