OBD2 TB coolant bypass

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10-21-2003, 09:29 AM

BlinD

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OBD2 TB coolant bypass

Can you bypass the coolant from the throttle body on OBD2 cars? I have mine looping through the turbo then the TB, so I can imagine how hot the TB is getting. So I'm thinking about just making them go through the turbo, and get rid of it looping through the TB. South Florida never gets cold so I doubt I'd have issues. But is it able to be done on OBD2 without making ---- screwey?

10-21-2003, 02:23 PM

projekteg

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Join Date: Apr 2003

Posts: 11,058

Re:OBD2 TB coolant bypass

just try it, if you don't get a CEL, then you're straigh. i don't think it wil affect anything, but it will only take a second to do it.

10-21-2003, 02:27 PM

alwaystootall

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Re:OBD2 TB coolant bypass

might make it idle high b/c the eacv never sees that the car is warmed up??

10-21-2003, 03:00 PM

jung4g

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Re:OBD2 TB coolant bypass

Quote:

Originally Posted by alwaystootall

might make it idle high b/c the eacv never sees that the car is warmed up??

Good call, here in MN on colder days my idle starts at like 2800 and then settles to 850 after like 5 minutes.

Jung

10-21-2003, 05:21 PM

turboboy

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Re:OBD2 TB coolant bypass

i have mine unhooked, no cel, altough i get a boucing idle sometimes, not sure of the cause

10-21-2003, 09:13 PM

BlinD

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Re:OBD2 TB coolant bypass

Quote:

Originally Posted by ghettoturbo

i have mine unhooked, no cel, altough i get a boucing idle sometimes, not sure of the cause

Mine does that anyway.. lol so no biggy.

10-24-2003, 06:39 PM

krskid

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Join Date: May 2003

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Re:OBD2 TB coolant bypass

i did the coolant bypass trick and had that bouncing idle problem. a guy on honda-tech put a flat metal sheet, he used a cut up coke can, between the bottom sensor and the throttle body. I did this and my idle problem is completely gone.