10v shakey low idle when car is warm

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Old 06-03-2003, 07:01 PM
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Default 10v shakey low idle when car is warm

fixed all rubber hose vacum leaks, cleaned isv, replaced crankcase breather tube with new metal one. It idles fine all day, and after turning her off and re starting later in the day the idle gets low and shakey.
Old 06-03-2003, 07:37 PM
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Default Re: 10v shakey low idle when car is warm

Mine does the same thing. I have noticed that the idle drops when the radiator cooling fan is running and then back to nice 850 when the fan shuts off. I thing that there is something to compensate the idle buy managing the ISV when voltage is dropped by the fan or air conditioner but it doesn't seem to be working. I haven't been motivated to find the problem.

Tony
'91 100Q 5spd
Old 06-03-2003, 07:51 PM
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Maybe weak battery?
Old 06-03-2003, 09:34 PM
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Default Re: Maybe weak battery?

mine does the same thing but when the cooling fan is shut off. idle gets below 800 rpm when fan is off. when back on, the rpm goes back to 1000rpm
Old 06-03-2003, 10:53 PM
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Default Re: 10v shakey low idle when car is warm

maybe it's a bad electrical connection on the isv.
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