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"Ticking engine".......(one fix)

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Old 07-07-2009, 09:26 AM   #1
chris4x4 [OP] chris4x4 is offline
With sufficient thrust, pigs fly just fine.
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"Ticking engine".......(one fix)

One of the things causing the "Ticking" on the 1GR-FE is the PWM Valve (also know as VSV), located on the drive side of the intake.



It is held onto the intake assembly with 1 10mm bolt. The Ticking is amplified by the plastic assembly, but it can be quieted down by installing some rubber washers inbetween the Valve, and the mount on the intake. I used (4) 1/16" thick rubber washers purchased at Ace Hardware.



Useing 2 inbetween the bolt head, and the valve, and 2 between the valve and the intake.

Very easy to do. First, remove the 10mm bolt:



Then install the washers, and re attach the Valve.

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Old 07-07-2009, 09:28 AM   #2
chris4x4 [OP] chris4x4 is offline
With sufficient thrust, pigs fly just fine.
chris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shed
 
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Soorry about my arm being in the way
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Old 07-07-2009, 09:28 AM   #4
go shit in your hat
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Quote:
Originally Posted by chris4x4 View Post
Soorry about my arm being in the way

you should be, buddy!
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Old 07-07-2009, 09:29 AM   #5
( ͡° ͜ʖ ͡°)
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Quote:
Originally Posted by chris4x4 View Post
Soorry about my arm being in the way
Just have Molly hold the camera higher.
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Old 07-07-2009, 09:29 AM   #6
:POOPCORN:
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Great work Chris, as usual.

What exactly is the VSV and it's function?
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Old 07-07-2009, 09:41 AM   #7
chris4x4 [OP] chris4x4 is offline
With sufficient thrust, pigs fly just fine.
chris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shed
 
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Quote:
Originally Posted by 98tacoma27 View Post
Great work Chris, as usual.

What exactly is the VSV and it's function?
Ok....The VSV, Also called Evap Valve, is used to purge fuel vapors from the system and into the charcaol canister.
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Old 07-07-2009, 09:49 AM   #8
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http://www.ncttora.com/fsm/04-06-Tun...e/ciacisco.pdf

Quote:

CIRCUIT DESCRIPTION
This circuit opens and closes the Intake Air Control Valve (IACV) in response to the engine load in order to
increase the intake efficiency (ACIS: Acoustic Control Induction System).
When the engine speed is between 2,200 and 4,100 rpm and the throttle valve opening angle is 60
° or more,
the ECM supplies current to the VSV (ON status), so the IACV will close. Besides that condition, the VSV

is usually OFF and the IACV is open.
Found this from the Tundy FSM for the 1GR. Interesting that it is only used for the Idle Air Control Valve state.
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Old 07-07-2009, 09:51 AM   #9
chris4x4 [OP] chris4x4 is offline
With sufficient thrust, pigs fly just fine.
chris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shed
 
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Quote:
Originally Posted by Jester243 View Post
Just have Molly hold the camera higher.
I was just happy she held it still.
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Old 07-07-2009, 10:04 AM   #11
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x2, i will do that when i get home. + rep for Chris
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Old 07-07-2009, 10:08 AM   #12
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I seem to always have the mp3 cds jamming in the truck. what tick?
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Old 07-07-2009, 10:10 AM   #13
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can you really tell the difference from before and after?
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Old 07-07-2009, 11:30 AM   #15
chris4x4 [OP] chris4x4 is offline
With sufficient thrust, pigs fly just fine.
chris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shed
 
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Quote:
Originally Posted by 619Tacoma View Post
can you really tell the difference from before and after?
It makes a little difference in that the ticking from that part is now isollated. You will still have ticking from the injectors and valvetrain.

Quote:
Originally Posted by fletch aka View Post
Nice write up as usual, I didnt see the first aid kit or the fire extinguisher in the frame.
I edit those out....as well as the blood and screams...
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Old 07-07-2009, 12:59 PM   #16
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nicely done on the writeup and video.
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Old 07-07-2009, 07:15 PM   #17
Begin With The End In Mind.
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Another great tutorial Chris... Keep 'em coming. Great job!
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Old 07-07-2009, 08:01 PM   #19
chris4x4 [OP] chris4x4 is offline
With sufficient thrust, pigs fly just fine.
chris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shed
 
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Quote:
Originally Posted by luk8272 View Post
I have had this done for quite some time and notice very little difference.
Good write up and video thanks Chris, on under par as usual. (Under par is in good job.Eagle, Birdy,hole in 1)
Thanks, Luk. I noticed a little bit, but the Toyota engines are noisy in their design, so its hard to separate all the sounds.
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