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Scion tC 1G Drivetrain & Power Engine and transmission discussions...

EGR Valve?

Old Nov 15, 2006 | 01:47 AM
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Default EGR Valve?

Anyone tried to block the EGR Valve closed? I have read in many places that this would be beneficial, power wise. Opinions? Also, where is ours?
Old Nov 15, 2006 | 01:41 PM
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Newer toyota's do not have EGR valves. They use the vvt-i to tune the car so it does not need one. This is also a good reason not to mess with the vvt-i setting unless you really know what you are doing.
Old Nov 15, 2006 | 02:13 PM
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I see. I thought I saw in the repair manual sometime, something about the EGR vavle. But since u seem more knowledgeable, I believe u. :D
Old Nov 15, 2006 | 03:51 PM
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I'd be surprised if there wasn't one. vvt-i timing adjustments or not, it can't handle things like cold-start conditions and whatnot.
Old Nov 15, 2006 | 04:03 PM
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actually EGR is used to cool down cylinder temps and wouldnt be beneficial to remove anyways. id suggest leaving it alone
Old Nov 15, 2006 | 09:27 PM
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EGR recirculates burned gases back to the cylinder, just like a PCV hose. It's for emmisions.
Old Nov 15, 2006 | 09:59 PM
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understood it is used to ensure that unburned fuel is recirculated to be burnt, but it does cool down cylinder temps and you will gain litte if any power at the loss of emissions and mileage
Old Nov 15, 2006 | 11:34 PM
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Well if you don't want to take my word for it feel free to look. I bet you won't find one.
Old Nov 16, 2006 | 02:59 AM
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Originally Posted by 06scionsc
Well if you don't want to take my word for it feel free to look. I bet you won't find one.
Relax, I believe u. :D
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