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Old 03-14-2017, 07:51 AM   #1
rabbito
 
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Drives: 2012 Toyota Yaris Sedan (Vios)
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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 😂😂😂😂😂

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Old 03-14-2017, 08:45 PM   #2
SirDigby
 
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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.
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Old 03-14-2017, 09:18 PM   #3
tmontague
2zr-fe dream team
 
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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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Old 03-14-2017, 09:33 PM   #4
CrankyOldMan
2ZR swap. DO IT! Ask how!
 
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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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