1zzfe throttle body - Toyota Yaris Forums

lilman717 · 01-04-2009, 10:18 AM

hey guys, i recently saw someone selling a 1zzfe throttle body from a 07 matrix and he said that it can help improve horsepower and throttle response. i was wondering if this is true. and if so by how much of a difference. because the throttle response is really slow and i hate the low end speed of the yaris.

cali yaris · 01-04-2009, 06:02 PM

Yes, that has been tried. I believe one person who tried that got a rough idle or some cold start problems (I think it revved the motor too high or something).

Try a search on here and see what comes up.

YarisPR · 01-04-2009, 09:03 PM

Quote:

Originally Posted by cali yaris

Yes, that has been tried. I believe one person who tried that got a rough idle or some cold start problems (I think it revved the motor too high or something).

Try a search on here and see what comes up.

I have it. At cold starts it idles at 3000rpm then it settles. But I still have an issues with the revs ocillating after taking the car up to 6500 (after a few pulls).

lilman717 · 01-05-2009, 12:54 AM

Quote:

Originally Posted by YarisPR

I have it. At cold starts it idles at 3000rpm then it settles. But I still have an issues with the revs ocillating after taking the car up to 6500 (after a few pulls).

with the oscilating problem, so when its at 6500rpm, does the idle go up and down or what happens?

YarisPR · 01-05-2009, 05:11 AM

Quote:

Originally Posted by lilman717

with the oscilating problem, so when its at 6500rpm, does the idle go up and down or what happens?

After a pull when the car is in neutral (mine's a manual it oscilates a few seconds then it idles normally.

lilman717 · 01-06-2009, 06:20 PM

do you think it's worth it? and how much did you get it for.... i have a sedan automatic

whooppee777 · 01-07-2009, 06:28 PM

i have one. it revs up to 3 grand at cold starts and periodically revs jump up and down but then stops after a few jumps. i havent noticed a difference but my heavy ass 18 inch wheels have slowed the car down all together. if u had light weight wheels u would notice a difference

mikenacarato · 01-07-2009, 08:33 PM

my revs jumped from 4000 to 1000 in neutral just sitting there. they never settled out. i took it off and am waiting on the manifold to put this on with.

AlexNet0 · 01-07-2009, 09:13 PM

Huh, doesnt that sound like a vacuum problem? did you epoxy the idle screw after adjusting? did you adjust it? or is there no adjustment on the 07 Matrix TB?

mikenacarato · 01-07-2009, 09:31 PM

i didnt touch any idle adjustment screws. i saw a allen type screw but it was covered in a hard plastic epoxy already. i think it was leaking between the manifold and tb.

ztrack157 · 01-08-2009, 01:56 AM

Mike buy some gasket maker and use it you should be good after that.

mikenacarato · 01-08-2009, 02:32 AM

i have black silicon i was going to use, i also have gasket maker as well though..hmm. i dont feel like messing with it at this moment though haha

ztrack157 · 01-08-2009, 03:05 AM

Ya I'm waiting to put mine on this weekend. I'm still in the R&D phase of my intake manifold. I have a Buddy at Canepe helping a little.

mikenacarato · 01-08-2009, 03:07 AM

what are you doing with it?

kimo · 01-13-2009, 01:00 PM

Why you don't just bore the stock TB better than swapping another diffrent TB.
www.maxbore.com

Will cost $100

ddongbap · 01-13-2009, 01:22 PM

I don't know if you can bore out the stock TB 1/4th of an inch.

YarisPR · 01-14-2009, 10:17 PM

After a week I got a Cell I scaned the car and it threw a code (wich I don't remember, sorry) it is an "Iddle malfunction". I'll work on it later in the week, but the car at least doesn't feel worst. It functions good and I just installed the 10% undedrive pulley and.... what can I say..... I love it!!!! But I'am suffering with the fat TRD18's ...... 18's ain't good right whooppee777??? LOL

knucklehead · 02-02-2009, 09:17 AM

has no one really made this swap positively,with no problems with the idling?

01-04-2009, 10:18 AM	#1
lilman717 Lil Monsta Drives: Super White Yaris 08 Sedan Join Date: Dec 2008 Location: Bay Area Posts: 21	1zzfe throttle body hey guys, i recently saw someone selling a 1zzfe throttle body from a 07 matrix and he said that it can help improve horsepower and throttle response. i was wondering if this is true. and if so by how much of a difference. because the throttle response is really slow and i hate the low end speed of the yaris.

01-04-2009, 06:02 PM	#2
cali yaris ULTIMATE View User's Garage Drives: 07 Yaris Turbo Join Date: May 2007 Location: Canoga Park, CA Posts: 14,859	Yes, that has been tried. I believe one person who tried that got a rough idle or some cold start problems (I think it revved the motor too high or something). Try a search on here and see what comes up. __________________ Micro Image forums, online store and shop are now closed. It was a great eight year run, but it was time to focus on other things. I'm still selling parts on eBay under micro*image seller ID and customers can still make requests for anything specific.

01-07-2009, 06:28 PM	#7
whooppee777 I used to have 1700 posts View User's Garage Drives: 2008 Yaris Hatch Join Date: Apr 2007 Location: Maryland Posts: 808	i have one. it revs up to 3 grand at cold starts and periodically revs jump up and down but then stops after a few jumps. i havent noticed a difference but my heavy ass 18 inch wheels have slowed the car down all together. if u had light weight wheels u would notice a difference __________________ *First Boosted Yaris On The East Coast*

01-07-2009, 09:13 PM	#9
AlexNet0 View User's Garage Drives: '07 Yaris 3dr Join Date: Nov 2008 Location: Rockland, ME Posts: 1,638	Huh, doesnt that sound like a vacuum problem? did you epoxy the idle screw after adjusting? did you adjust it? or is there no adjustment on the 07 Matrix TB? __________________ ---------- MI-YW ----------

01-08-2009, 01:56 AM	#11
ztrack157 Vroom Vroom Beep Beep View User's Garage Drives: Powered Roller Skate Join Date: Oct 2008 Location: Biggs, CA Posts: 404	Mike buy some gasket maker and use it you should be good after that. __________________ Ever blown out an R-200 diff god know's I have

01-06-2009, 06:20 PM	#6
lilman717 Lil Monsta Drives: Super White Yaris 08 Sedan Join Date: Dec 2008 Location: Bay Area Posts: 21	do you think it's worth it? and how much did you get it for.... i have a sedan automatic

01-07-2009, 08:33 PM	#8
mikenacarato SIPNDEW View User's Garage Drives: 15 STI Join Date: Oct 2008 Location: Brentwood, TN Posts: 2,281	my revs jumped from 4000 to 1000 in neutral just sitting there. they never settled out. i took it off and am waiting on the manifold to put this on with.

01-07-2009, 09:31 PM	#10
mikenacarato SIPNDEW View User's Garage Drives: 15 STI Join Date: Oct 2008 Location: Brentwood, TN Posts: 2,281	i didnt touch any idle adjustment screws. i saw a allen type screw but it was covered in a hard plastic epoxy already. i think it was leaking between the manifold and tb.

01-08-2009, 02:32 AM	#12
mikenacarato SIPNDEW View User's Garage Drives: 15 STI Join Date: Oct 2008 Location: Brentwood, TN Posts: 2,281	i have black silicon i was going to use, i also have gasket maker as well though..hmm. i dont feel like messing with it at this moment though haha

01-08-2009, 03:05 AM	#13
ztrack157 Vroom Vroom Beep Beep View User's Garage Drives: Powered Roller Skate Join Date: Oct 2008 Location: Biggs, CA Posts: 404	Ya I'm waiting to put mine on this weekend. I'm still in the R&D phase of my intake manifold. I have a Buddy at Canepe helping a little. __________________ Ever blown out an R-200 diff god know's I have

01-08-2009, 03:07 AM	#14
mikenacarato SIPNDEW View User's Garage Drives: 15 STI Join Date: Oct 2008 Location: Brentwood, TN Posts: 2,281	what are you doing with it?

01-13-2009, 01:00 PM	#15
kimo Drives: Honds City 2005 Join Date: Oct 2008 Location: Egypt Posts: 10	Why you don't just bore the stock TB better than swapping another diffrent TB. www.maxbore.com Will cost $100

01-13-2009, 01:22 PM	#16
ddongbap Banned Drives: yw calls me douche and racist. Join Date: Aug 2007 Location: hay Posts: 2,183	I don't know if you can bore out the stock TB 1/4th of an inch.

01-14-2009, 10:17 PM	#17
YarisPR Drives: Yaris Sedan Join Date: Sep 2006 Location: MayaWest, Puerto Rico Posts: 1,574	After a week I got a Cell I scaned the car and it threw a code (wich I don't remember, sorry) it is an "Iddle malfunction". I'll work on it later in the week, but the car at least doesn't feel worst. It functions good and I just installed the 10% undedrive pulley and.... what can I say..... I love it!!!! But I'am suffering with the fat TRD18's ...... 18's ain't good right whooppee777??? LOL __________________ I Drive a 129whp Yaris ;)

02-02-2009, 09:17 AM	#18
knucklehead Drives: Toyota Vios Join Date: Feb 2009 Location: Philippines Posts: 2	has no one really made this swap positively,with no problems with the idling?

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