1zz Throttle body review/tips - Page 4 - Toyota Yaris Forums

axiom · 01-27-2015, 11:46 AM

Does anyone know of a way to get rid of the "lag" when letting off the gas? Mine stays at it's rpms for a second before dropping down after letting off the gas with or without the clutch in. It's quite annoying.

mattymo · 02-02-2015, 07:26 PM

If you're referring to the quick jerk while letting off the gas, try backing idle screw out more. I'm still struggling with this nyself. Getting it set right for the ecu to be happy is a tricky bitch. Swings in weather make it worse. Anyway, if you're having a laaaaaag of mure than half a second or so we might be talking about two different things. Try scanning ecu. If you get idle control system code, ecu is not happy yet. It can even be a pending code that won't trigger CEL.

Sent from my GT-P5210 using Tapatalk

axiom · 02-03-2015, 02:20 PM

For example, if I'm running at 4000 rmp, and I let off the gas, it'll stay there for a half second, then drop. My original tb would drop the second I let off the gas.

I'll have to look and see if the idle screw has ever been messed with. I may need to chip away at the epoxy. If I do, do I then need to replace it once I find a good setting?

As far as codes, I'll need to run over to an auto shop sometime to see.

PS-I'm tired of people thinking I want to race them at the first stop light by my house.......stupid high rpm before engine warm up.

zen · 04-19-2015, 12:35 AM

So I attempted to do the throttle body swap but realized I can't connect it to the stock intake due to the outlet of the throttle body being larger than the hose...is the best way for me to solve this to buy a 2005 Corolla / Matrix intake hose? I'm trying to keep it looking stock as much as possible due to my 2014 is still under warranty.

KTS · 04-19-2015, 07:15 AM

Turn the flex hose around and use a little bit of grease. It will be a tight fit.

zen · 04-19-2015, 03:10 PM

I'll have to try that again, was trying my hardest to get that method to work

phaznet · 04-23-2015, 01:32 PM

I've been wanting to do this mod for some time, I just want to get the right part.
I have a 2007 yaris sedan. I see the part number we want is the 22030-0D030, but all I can find locally is the 0D031! In that case, would I simply need to do a chip swap?

phaznet

ezhacker1 · 04-23-2015, 03:12 PM

I haven't read through the entire thread, but a tip i have found I want to share with you all.

PORTMATCH THE TB!! I got my throttle body from a sedan friend, and he had meticulously port matched the intake manifold to the tb, I have experience no extended high rpm or pulsing at all. Just the normal 2700rpm at start which drops to normal operating rpm within like 20 seconds or so, and this is which the car not moving.

But like others, i do have the "rpm holding lag" not always maybe once in a while, but i havent had an issue like, trying to get into a gear and grinding..

zen · 04-24-2015, 01:52 PM

I successfully installed it except I'm getting the pulsing revs and makes it seem like I want to race everyone lol..I dont quite have a hex small enough to adjust the idle screw

phaznet · 04-24-2015, 05:42 PM

What was the part # on the throttle bodies you installed?

zen · 04-24-2015, 07:49 PM

0D030 off a 2005 Toyota Corolla

phaznet · 04-24-2015, 07:54 PM

Can I use a 0D031?

MedMantle · 04-28-2015, 02:43 PM

Hey guys, I found a (Part Number) 22030-0C010 throttle body, it looks similar to the one you guys use, only visual difference is the coolant pipes are angled differently.. The Bore diameter is also 55mm.. I can't find a 2nd hand 1ZZ TB in my country and the guy that wants to sell me this one is giving it to me at a good price. I plugged the connector into it and it opens when I depress the accelerator, it should work the same as the 1ZZ once fitted?

MedMantle · 05-08-2015, 12:12 PM

Okay, so I have installed my PN:22030-0C010 TB with great difficulty, had occilation on the first startup! Second time I started up I idled in the 3000 RPM range but it gradually came down to about 800 RPM's (idle) more or less and it has been driving fine for 2 days so far!

No chip-swap, I chipped away the idle screw's epoxy to test fit a hex wrench at the shops but I haven't adjusted it yet! No CEL and it's been totally normal so far apart from the 2000RPM idle for 20 seconds when I start up in the morning!

I can feel the 5th gear bite harder even at a lowly 60kph, not much but noticeable! And a slight wheelspin on my hill of a driveway today proved that the response is more than I'm used to! I put my stock airbox back and can swear that it's got a slightly stronger growl! I hope my luck holds!! :D

LTHatch · 05-10-2015, 05:03 PM

MedMantle:Your Yaris is a 2nzfe 1.3? Have a look at this thread: http://www.yarisworld.com/forums/showthread.php?t=53087
Japle did a bunch of dyno runs with his 1nzfe yaris, for some reason his 1nzfe came with the 2nzfe intake manifold. After installing the 1nzfe intake manifold he gained 14whp, just a guess here but i think the 1nzfe intake manifold may be an upgrade to the 2nzfe guys. You definitely won't gain the power Japle did but there might be a few horsepower in there to gain.

MedMantle · 05-11-2015, 12:26 PM

Wow, that is amazing!! I'm actually still contemplating doing the engine swap to a 1NZ-FE! I just wanna make double sure that it's plug and play. It is my first car and the only car I drive and wouldn't want to sit with problems! I'm stupid when it comes to understanding HP figures.. how much of a difference would I feel going from 1.3l to 1.5l? is it worth the $1500 I roughly worked out for the engine and labour?

And just a side note, it has been a week driving with my TB, no problems apart from the high rev on startup! Can definitely feel the difference, especially when I accelerate after a gear change! :D

LTHatch · 05-12-2015, 05:46 PM

The difference would be noticeable, but worth 1500 that's completely up to your judgement. Being a plug n play swap i have no clue, but give it a few days i'm sure someone who has done it can give you the run down on all it takes to swap it.

Did the TB swap make your intake louder? How is your low end torque and mid range torque also?

MedMantle · 05-13-2015, 12:52 PM

It might cost a lot less and will work out a lot cheaper than doing anything else to my 1.3 :P will wait and see! :)

I originally had my OEM intake flipped with the filter exposed but the day I put the TB in I replaced my filter and mounted everything up stock, so unfortunately my intake got softer anyways. It does seem throatier, but it's hard to tell with my cat-back exhaust noise :/

I seriously feel a difference in all area's! Launching feels a lot more responsive and "grippier" and hill climbs feel a tad better! The biggest difference is in changing gears for me, it feels nearly seamless compared to the jerky nature it originally had... maybe it's all in my head? lol, but I'm happy and it only cost me $104 in total :) oh and I can hear and feel the extra air coming in when I depress the accelerator completely and my exhaust tone seems "higher" at that point than it normally was, so it MUST mean something! :D

04-23-2015, 03:12 PM	#62
ezhacker1 Drives: Decepticon - Ravage Join Date: Nov 2008 Location: San Francisco Posts: 1,462	I haven't read through the entire thread, but a tip i have found I want to share with you all. PORTMATCH THE TB!! I got my throttle body from a sedan friend, and he had meticulously port matched the intake manifold to the tb, I have experience no extended high rpm or pulsing at all. Just the normal 2700rpm at start which drops to normal operating rpm within like 20 seconds or so, and this is which the car not moving. But like others, i do have the "rpm holding lag" not always maybe once in a while, but i havent had an issue like, trying to get into a gear and grinding.. __________________ Check out my Build thread: http://www.yarisworld.com/forums/showthread.php?t=52274

04-24-2015, 01:52 PM	#63
zen Drives: 2014 Yaris HB Join Date: Jul 2014 Location: N. Chas, SC Posts: 36	I successfully installed it except I'm getting the pulsing revs and makes it seem like I want to race everyone lol..I dont quite have a hex small enough to adjust the idle screw Last edited by zen; 04-24-2015 at 07:49 PM.

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01-27-2015, 11:46 AM	#55
axiom View User's Garage Drives: 2007 Yaris Join Date: May 2013 Location: Colorado Posts: 68	Does anyone know of a way to get rid of the "lag" when letting off the gas? Mine stays at it's rpms for a second before dropping down after letting off the gas with or without the clutch in. It's quite annoying.

02-02-2015, 07:26 PM	#56
mattymo Drives: 09 LB Join Date: Oct 2013 Location: GA Posts: 21	If you're referring to the quick jerk while letting off the gas, try backing idle screw out more. I'm still struggling with this nyself. Getting it set right for the ecu to be happy is a tricky bitch. Swings in weather make it worse. Anyway, if you're having a laaaaaag of mure than half a second or so we might be talking about two different things. Try scanning ecu. If you get idle control system code, ecu is not happy yet. It can even be a pending code that won't trigger CEL. Sent from my GT-P5210 using Tapatalk

02-03-2015, 02:20 PM	#57
axiom View User's Garage Drives: 2007 Yaris Join Date: May 2013 Location: Colorado Posts: 68	For example, if I'm running at 4000 rmp, and I let off the gas, it'll stay there for a half second, then drop. My original tb would drop the second I let off the gas. I'll have to look and see if the idle screw has ever been messed with. I may need to chip away at the epoxy. If I do, do I then need to replace it once I find a good setting? As far as codes, I'll need to run over to an auto shop sometime to see. PS-I'm tired of people thinking I want to race them at the first stop light by my house.......stupid high rpm before engine warm up.

04-19-2015, 12:35 AM	#58
zen Drives: 2014 Yaris HB Join Date: Jul 2014 Location: N. Chas, SC Posts: 36	So I attempted to do the throttle body swap but realized I can't connect it to the stock intake due to the outlet of the throttle body being larger than the hose...is the best way for me to solve this to buy a 2005 Corolla / Matrix intake hose? I'm trying to keep it looking stock as much as possible due to my 2014 is still under warranty.

04-19-2015, 07:15 AM	#59
KTS Drives: Vitz RS Join Date: Feb 2009 Location: Trinidad and Tobago Posts: 272	Turn the flex hose around and use a little bit of grease. It will be a tight fit.

04-19-2015, 03:10 PM	#60
zen Drives: 2014 Yaris HB Join Date: Jul 2014 Location: N. Chas, SC Posts: 36	I'll have to try that again, was trying my hardest to get that method to work

04-23-2015, 01:32 PM	#61
phaznet View User's Garage Drives: '07 Yaris Sdn Join Date: Feb 2009 Location: YGK Posts: 151	I've been wanting to do this mod for some time, I just want to get the right part. I have a 2007 yaris sedan. I see the part number we want is the 22030-0D030, but all I can find locally is the 0D031! In that case, would I simply need to do a chip swap? phaznet

04-24-2015, 05:42 PM	#64
phaznet View User's Garage Drives: '07 Yaris Sdn Join Date: Feb 2009 Location: YGK Posts: 151	What was the part # on the throttle bodies you installed?

04-24-2015, 07:49 PM	#65
zen Drives: 2014 Yaris HB Join Date: Jul 2014 Location: N. Chas, SC Posts: 36	0D030 off a 2005 Toyota Corolla

04-24-2015, 07:54 PM	#66
phaznet View User's Garage Drives: '07 Yaris Sdn Join Date: Feb 2009 Location: YGK Posts: 151	Can I use a 0D031?

04-28-2015, 02:43 PM	#67
MedMantle Drives: Yaris '05 1.3 Hatch "R.I.P." Join Date: Aug 2014 Location: South Africa Posts: 127	Hey guys, I found a (Part Number) 22030-0C010 throttle body, it looks similar to the one you guys use, only visual difference is the coolant pipes are angled differently.. The Bore diameter is also 55mm.. I can't find a 2nd hand 1ZZ TB in my country and the guy that wants to sell me this one is giving it to me at a good price. I plugged the connector into it and it opens when I depress the accelerator, it should work the same as the 1ZZ once fitted?

05-08-2015, 12:12 PM	#68
MedMantle Drives: Yaris '05 1.3 Hatch "R.I.P." Join Date: Aug 2014 Location: South Africa Posts: 127	Okay, so I have installed my PN:22030-0C010 TB with great difficulty, had occilation on the first startup! Second time I started up I idled in the 3000 RPM range but it gradually came down to about 800 RPM's (idle) more or less and it has been driving fine for 2 days so far! No chip-swap, I chipped away the idle screw's epoxy to test fit a hex wrench at the shops but I haven't adjusted it yet! No CEL and it's been totally normal so far apart from the 2000RPM idle for 20 seconds when I start up in the morning! I can feel the 5th gear bite harder even at a lowly 60kph, not much but noticeable! And a slight wheelspin on my hill of a driveway today proved that the response is more than I'm used to! I put my stock airbox back and can swear that it's got a slightly stronger growl! I hope my luck holds!! :D

05-10-2015, 05:03 PM	#69
LTHatch Drives: 2013 Yaris Hatchback L Join Date: May 2013 Location: Newark NJ Posts: 229	MedMantle:Your Yaris is a 2nzfe 1.3? Have a look at this thread: http://www.yarisworld.com/forums/showthread.php?t=53087 Japle did a bunch of dyno runs with his 1nzfe yaris, for some reason his 1nzfe came with the 2nzfe intake manifold. After installing the 1nzfe intake manifold he gained 14whp, just a guess here but i think the 1nzfe intake manifold may be an upgrade to the 2nzfe guys. You definitely won't gain the power Japle did but there might be a few horsepower in there to gain.

05-11-2015, 12:26 PM	#70
MedMantle Drives: Yaris '05 1.3 Hatch "R.I.P." Join Date: Aug 2014 Location: South Africa Posts: 127	Wow, that is amazing!! I'm actually still contemplating doing the engine swap to a 1NZ-FE! I just wanna make double sure that it's plug and play. It is my first car and the only car I drive and wouldn't want to sit with problems! I'm stupid when it comes to understanding HP figures.. how much of a difference would I feel going from 1.3l to 1.5l? is it worth the $1500 I roughly worked out for the engine and labour? And just a side note, it has been a week driving with my TB, no problems apart from the high rev on startup! Can definitely feel the difference, especially when I accelerate after a gear change! :D

05-12-2015, 05:46 PM	#71
LTHatch Drives: 2013 Yaris Hatchback L Join Date: May 2013 Location: Newark NJ Posts: 229	The difference would be noticeable, but worth 1500 that's completely up to your judgement. Being a plug n play swap i have no clue, but give it a few days i'm sure someone who has done it can give you the run down on all it takes to swap it. Did the TB swap make your intake louder? How is your low end torque and mid range torque also?

05-13-2015, 12:52 PM	#72
MedMantle Drives: Yaris '05 1.3 Hatch "R.I.P." Join Date: Aug 2014 Location: South Africa Posts: 127	It might cost a lot less and will work out a lot cheaper than doing anything else to my 1.3 :P will wait and see! :) I originally had my OEM intake flipped with the filter exposed but the day I put the TB in I replaced my filter and mounted everything up stock, so unfortunately my intake got softer anyways. It does seem throatier, but it's hard to tell with my cat-back exhaust noise :/ I seriously feel a difference in all area's! Launching feels a lot more responsive and "grippier" and hill climbs feel a tad better! The biggest difference is in changing gears for me, it feels nearly seamless compared to the jerky nature it originally had... maybe it's all in my head? lol, but I'm happy and it only cost me $104 in total :) oh and I can hear and feel the extra air coming in when I depress the accelerator completely and my exhaust tone seems "higher" at that point than it normally was, so it MUST mean something! :D