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03-14-2017, 07:51 AM | #1 |
Drives: 2012 Toyota Yaris Sedan (Vios) Join Date: Dec 2015
Location: Thailand
Posts: 291
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1zz tb idle control (allen wrench)
idle stays high between 900-1000 when i drive around town...after 20 second it calms down to 750-800...everybody said chip away the epoxy and turn counter clock wise to slow the idle..felt like it wasnt calming down...so i rotated clock wise and feels like its still the same..i mean it goes down to 650rpm but still takes time...now my allen wrench fu*ked up the screw part where i cannot even spin it anymore..fml 😂😂😂😂😂
tapatalk_1489492059183.jpeg Sent from my SM-N920C using Tapatalk
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Brain: ATD E85 Timing Advance ECU Engine: 1JZ Injectors, Header, Center Pipe, K&N Drop In, E85 Injector Converter Suspension: Hankook Tires, Performance OEM replacement Shocks & Springs F: 1.5 B: 1.4, Mu Spec brake pads, Front tower & Rear sway bars, Rays nut & lock Electric: Volt Stablizer & Multi gauge obd2 Cosmetic: Toyota red emblem |
03-14-2017, 08:45 PM | #2 |
Drives: 2007 yaris 3 door Join Date: Sep 2015
Location: Denver, Colorado
Posts: 1,000
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it's not that bad. you will need to drill it out and tap with a new bolt if you still need adjustments. should take 30 minutes if you have a drill and a tap and die set. maybe a left-handed drill bit or remover.
I found it was easer to adjust the idle speed when the engine was cold. I had mine idling at like 500, but it caused a CEL, so I bumped it up a 1/4 turn at a time until it stopped setting code. |
03-14-2017, 09:18 PM | #3 |
Drives: '08 2zr swapped Vios M/T Join Date: Oct 2012
Location: Caledonia Ont.
Posts: 2,938
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I had mine down to about 650, anything lower and I found it was rough at idle and not "comfortable" at that rpm. It still took 20 or so seconds for it to go down to that rpm on a warm start. That's just part of having the 1zz TB, it's not a problem just a difference relative to the stock TB
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No one ever wants to give a Yaris the point by... |
03-14-2017, 09:33 PM | #4 |
2ZR swap. DO IT! Ask how!
Drives: 09 Meteoric Metallic HB Join Date: Feb 2011
Location: West Michigan
Posts: 2,333
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If you have any leaks, you'll never get it dialed in right. Don't ask how I know. I ended up replacing my adjustment screw with a 1/4-20 cap screw, and it "mostly" worked.
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