Toyota Yaris Forums - Ultimate Yaris Enthusiast Site
 

 


 
Go Back   Toyota Yaris Forums - Ultimate Yaris Enthusiast Site > Technical Forums > Performance Modifications
  The Tire Rack

Reply
 
Thread Tools Display Modes
Old 02-10-2017, 12:08 AM   #19
JustDidIt
 
JustDidIt's Avatar
 
Drives: '08G2T Prius
Join Date: Oct 2012
Location: United States
Posts: 137
Quote:
Originally Posted by Bluevitz-rs View Post
I don't know why but I had it set to 850us. That would explain the long cranking and poor throttle response when hot. Moved it to 526us. I'll have to check my fuel trims now. Did it just before rushing out to work.
Where and what are you using to adjust this?
JustDidIt is offline   Reply With Quote
Old 02-10-2017, 02:00 AM   #20
Bluevitz-rs
1NZ-6spd Turbo
 
Bluevitz-rs's Avatar
 
Drives: '05 6-Spd Vitz RS Turbo
Join Date: Oct 2008
Location: Courtice, Ontario, Canada
Posts: 2,816
Quote:
Originally Posted by JustDidIt View Post
Where and what are you using to adjust this?
AEM FIC
Bluevitz-rs is offline   Reply With Quote
Old 02-21-2017, 01:16 AM   #21
Fluxtasy
 
Drives: Yaris Sedan '10
Join Date: Aug 2014
Location: Malaysia
Posts: 38
I've switched over to the 1NZ blue injectors a few months back and was running fine without issues.

I recently installed a used muffler and have been using it for over a month now. I did noticed a noise usually when RPM is below 2k. Could this noise be that the fuel mix is running lean? maybe the ignition timing advancing/retarding?

Strange that this noise did not occur till the muffler change. Any thoughts?
Fluxtasy is offline   Reply With Quote
Old 02-21-2017, 03:50 AM   #22
ncp13
 
ncp13's Avatar
 
Drives: 01 Yaris TS
Join Date: Jan 2017
Location: Athens Greece
Posts: 68
Could it be a bad mufler ?

Switch back and check
ncp13 is offline   Reply With Quote
Old 02-21-2017, 08:57 AM   #23
Fluxtasy
 
Drives: Yaris Sedan '10
Join Date: Aug 2014
Location: Malaysia
Posts: 38
lol I don't think it is the mufler. Could it be possibly a faulty injector? Is there anyway to check?
Fluxtasy is offline   Reply With Quote
Old 02-21-2017, 09:37 AM   #24
Bluevitz-rs
1NZ-6spd Turbo
 
Bluevitz-rs's Avatar
 
Drives: '05 6-Spd Vitz RS Turbo
Join Date: Oct 2008
Location: Courtice, Ontario, Canada
Posts: 2,816
Link to a comparison post I made.
Bluevitz-rs is offline   Reply With Quote
Old 02-22-2017, 12:03 AM   #25
Fluxtasy
 
Drives: Yaris Sedan '10
Join Date: Aug 2014
Location: Malaysia
Posts: 38
Quote:
Originally Posted by Bluevitz-rs View Post
but what if there are no signs of physical damage?
Fluxtasy is offline   Reply With Quote
Old 02-22-2017, 12:13 AM   #26
JustDidIt
 
JustDidIt's Avatar
 
Drives: '08G2T Prius
Join Date: Oct 2012
Location: United States
Posts: 137
Upgraded 1NZ injectors

Were they used and flow tested? .. or just used and not tested?
JustDidIt is offline   Reply With Quote
Old 02-22-2017, 12:48 AM   #27
Bluevitz-rs
1NZ-6spd Turbo
 
Bluevitz-rs's Avatar
 
Drives: '05 6-Spd Vitz RS Turbo
Join Date: Oct 2008
Location: Courtice, Ontario, Canada
Posts: 2,816
Used, not flow tested. They all work fine. If i started it and there was signs of misfire or hesitation I would have pulled them out again.

I did clean them with carb cleaner and compressed air before installing them.
Bluevitz-rs is offline   Reply With Quote
Old 02-22-2017, 12:54 AM   #28
JustDidIt
 
JustDidIt's Avatar
 
Drives: '08G2T Prius
Join Date: Oct 2012
Location: United States
Posts: 137
On my NHW20 Prius, supposedly if I put it in maintenance mode, the ecu can learn new fuel trim. I've never verified this...not sure if the 1NZFE cars have that capability... or it works if I swap injectors.
JustDidIt is offline   Reply With Quote
Old 02-22-2017, 01:00 AM   #29
Bluevitz-rs
1NZ-6spd Turbo
 
Bluevitz-rs's Avatar
 
Drives: '05 6-Spd Vitz RS Turbo
Join Date: Oct 2008
Location: Courtice, Ontario, Canada
Posts: 2,816
Yeah the ECU is continuously learning. Depending on what year the car is and what ECU it runs depends on how fast it learns and how much range of control it can compensate. Mine's an '05 and STFT can go + or - 20%. I think the newer cars have a bit more control than that.
Bluevitz-rs is offline   Reply With Quote
Old 03-19-2017, 02:34 PM   #30
ncp13
 
ncp13's Avatar
 
Drives: 01 Yaris TS
Join Date: Jan 2017
Location: Athens Greece
Posts: 68
@ fluxtasy

Did you check the solenoid resistance cold on the injector ? 14ohms cold if i remember correctly .
ncp13 is offline   Reply With Quote
Old 03-20-2017, 05:33 AM   #31
Fluxtasy
 
Drives: Yaris Sedan '10
Join Date: Aug 2014
Location: Malaysia
Posts: 38
Quote:
Originally Posted by ncp13 View Post
@ fluxtasy

Did you check the solenoid resistance cold on the injector ? 14ohms cold if i remember correctly .
Actually I've just found out the culprit for the cause. Previously was using another brand of Ron 95 fuel and have now switched over to Caltex and no more knocking noise!

Unbelievable but that previous brand of fuel was superior to the others as they had the lowest sulfur content but now they have compromised quality for profits.
Fluxtasy is offline   Reply With Quote
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
1zz injectors suit the S/C just fine LtNoogie Forced Induction Forum 51 04-30-2016 10:11 AM
Stock Injectors = Maybe? Big NO? maxthehax Forced Induction Forum 3 12-10-2012 06:29 PM
FS: DeatschWerks 550cc Plug/Play injectors Tamago Items for Sale by private party 4 06-27-2012 11:11 PM
2 sets 1nz fuel injectors for sale fnkngrv Items for Sale by private party 2 06-05-2012 05:35 PM
200cc Vs 240cc Fuel Injectors SL Runner Performance Modifications 2 09-07-2011 05:08 PM


All times are GMT -4. The time now is 04:39 AM.




YarisWorld
Powered by vBulletin® Version 3.8.0
Copyright ©2000 - 2017, Jelsoft Enterprises Ltd.