when i first start my car up, when it is cold; it idles at about 11-1200 rpm. then as the car heats up, it will drop to below 1000. what is up with that?
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Eric
Team FocalJet New England
2001 Malibu Blue ZX3-5 speed
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04-28-2001, 09:30 PM
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#1 |
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Senior TEAM Member
Join Date: Oct 2000
Location: farmington nh
Posts: 2,519
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weird idle change
when i first start my car up, when it is cold; it idles at about 11-1200 rpm. then as the car heats up, it will drop to below 1000. what is up with that?
------------------ Eric Team FocalJet New England 2001 Malibu Blue ZX3-5 speed |
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04-28-2001, 09:49 PM
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#2 |
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Senior TEAM Member
Join Date: Nov 2000
Posts: 2,610
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Re: weird idle change
That's normal; the engine speed is being controlled by the PCM in response to a temperature sensor when you first start it up.
Remember the automatic choke on carburated engines? Sort of the same idea except we have a computer and injectors. |
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