idle speed for a 95 VX? - Fuelly Forums

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Old 01-30-2007, 02:48 PM   #1
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idle speed for a 95 VX?

my idle speed is approx 1500 rpm which seems high to me. opinions? Could this high idle be the culprit for my ho-hum MPG numbers? thanks
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Old 01-30-2007, 03:22 PM   #2
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1500 seems a bit high to me. thats more like cruising speed!
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Old 01-30-2007, 03:30 PM   #3
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Could be, mehbe you have a vacuum leak!
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Old 01-30-2007, 07:06 PM   #4
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idle speed should be between 600 and 800RPM once operating temp has been reached and depending on a few factors (electric load).
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Old 01-31-2007, 07:03 PM   #5
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Mine jumps between 800 adn 1500 (bad ICV)
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Old 02-01-2007, 09:18 PM   #6
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high idle is around 1,200-1,500 rpm, it is in this mode while warming up (first 5+ minuts in cold weather) after that it should drop down to 750rpm with lights, heater fan, and other electronics turned off.
my vacuum leak is where the lower pcv hose fits in to the seperator box on the back side of the engine under the intake manifold, that gromit drys out and lets air leak.
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Old 10-14-2007, 06:52 AM   #7
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I got an ECU coming in a week. Mechanic thinks may be culprit for still fast idle. I idle at about 1100RPM - every once in awhile it drops to like 800 or 700 but only for a few seconds.

I wonder how much the mechanic will charge to install my ECU and o2 sensor in one go? I hope less than $100. Anyone reckon that's about 1 1/2 hours of labour?=$90
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Old 10-14-2007, 07:30 AM   #8
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My mechanic told me the car wanted to be no higher than 550RPM idle.
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Old 10-14-2007, 08:01 AM   #9
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I understand if you don't have the stuff for the o2, but you can install the ecu yourself pretty harmlessly. You just gotta pulla back the carpet, 4 bolts, and unplug it. Piece of cake. The o2 would take much less time.
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Old 10-19-2007, 12:27 PM   #10
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The o2 would take less time even though the ECU is easier? I should really do both myself.
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