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Installing a High Idle Controller...Any Ideas?
Posted 22 February 2004 - 03:10 PM
I know that most people would just reccommend dropping in a larger alternator, or installing an underdrive pully, however I am not a big fan of either. So you would need to do some convincing, especially since the normal day-to-day current draw is handled easily with the current alternator.
Posted 22 February 2004 - 04:19 PM
I would go to an alt rebuilder place and try to find one that would fit on the alt drive shaft.
Anything else would have you mess with things that are complicated or could «backfire».
Just my opinion.
Posted 22 February 2004 - 05:58 PM
Posted 22 February 2004 - 10:44 PM
Posted 23 February 2004 - 10:04 AM
Posted 23 February 2004 - 11:08 AM
Posted 23 February 2004 - 06:27 PM
Posted 23 February 2004 - 07:35 PM
EOppegaard - There are two sensible approaches I can think of (both are untested since I just came up with them):
1) Use the cruise control actuator. If you want to take this approach give me a few days and I'll try to figure out how that would work. I personally think this would be a really cool way to do it.
2) Install another solenoid in parallel with the stock IAC valve. You could tap the brake booster hose (before the check valve built into the hose) and drill a hole in the plastic intake pipe and install a barbed fitting on it. Or maybe just tee off the IAC hose or a PCV hose instead of the latter. Then connect them with a solenoid controlled by a switch in the passenger compartment.
If you want a spare plastic intake pipe and to experiment with and some solenoids that look like they might be appropriate, I think I can help you out. PM me if you're interested.
If you go this route, you should probably also trick the ECU into thinking the throttle is open (you just need to ground the idle switch wire), since otherwise it will try to adjust IAC valve duty cycle to bring idle back down to spec. Even if the idle speed when it does this is acceptable, it will screw up the learned idle control parameters when you switch the high idle off.
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