is the AC on? Could it be the compressor clutch engaging and disengaging? Or maybe the radiator fan coming on and temporarily taking more electricity from the battery and weakening
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10-05-2010, 06:08 PM | #1 (permalink) |
A True Z Fanatic
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is the AC on? Could it be the compressor clutch engaging and disengaging? Or maybe the radiator fan coming on and temporarily taking more electricity from the battery and weakening the ignition? Or maybe it's the electronic throttling system on the car, which does tend to be a bit sluggish and slow to respond.
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10-05-2010, 06:16 PM | #2 (permalink) | |
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10-05-2010, 06:38 PM | #3 (permalink) | |
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10-05-2010, 08:43 PM | #4 (permalink) | |
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That being said, I've had the low idle hiccup on hot days with the windows down and AC off.
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10-06-2010, 12:37 PM | #5 (permalink) |
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It happens whether the A/C is on or off.. The effect is less noticeable with the A/C off but it still happens...
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10-07-2010, 05:33 AM | #6 (permalink) |
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Anyway,when we modify the car,we expects the car idling to change,the best is stock if you want the best idling,i remember my friend's Subaru STI,he changes his cams,results is an engine as rough as a diesel at idle.!
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10-07-2010, 11:59 AM | #7 (permalink) |
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I have to disagree with that. The A/C compressor IS a significant "drag" on the engine when the clutch engages it. It will affect the idle speed momentarily.
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