Toymods Car Club Inc: Tech & Conversions => 4AGE idle 1100rpm, is this normal?

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Hunty
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Location:
Adelaide
Registered:
July 2002

Re: 4AGE idle 1100rpm, is this normal?

Sat, 11 December 2004 13:08

feral4mr2 wrote on Sat, 11 December 2004 22:07

having the coolant lines off the idle down bypass on the throttle body will result in a high idle even when the engine is warm. i would look into hooking it back up.
as long as the a/c idle up soleniod pipes have been blocked, it would'nt matter that they are not hooked up.

Yep, i did that the other day, pulled em off coz i thought it would be better if the throttle body didnt get lots of hot water pumped thru it, you know to keep air temps down. Well good in theory till the idle wouldnt budge from 2000rpm even when the engine coolant temp was at 190deg F. hooked those two lines backup and away she goes, idle back to 900rpm. i have 3 other coolant or what ever plugs blocked off but they were like that when i got the engine, i got no idea what they are for but i assume its to heat the throttle body for cold starts??

ohh mines the smallport 4age so it might be a bit different if you want pics i can take some and post them later.

Another note is my idle hunts around a fair bit unless its under load ie headlights foot on the break heater going the idle will drop to about 700rpm but it will stay there. turn everything off and it'll jump back to 900 then drop to 700ish back to 900 ect ect. there are no vacuum leaks in the system, i've put it down to it not getting a signal from the vehicle speed sensor, seeing as i dont have one.

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