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02-09-2005, 11:33 PM
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#1 | |
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AF Newbie
Join Date: Sep 2004
Location: derby, Kansas
Posts: 42
Thanks: 0
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rough then fast idle during cold starts
During a cold start the engine will idle rough. It feels like its missing. If you push on the gas it sputters a little bit then gains rpm slowly. After playing with the throttle a little bit it switches from being rough to a smooth fast idle until it warms up. This only happens during colder days 40deg or lower.
1991 s-10 2.8 v6 tbi injection no codes tune up done about 6 months ago have not checked fuel pressure Removed iac valve and cleaned Coolant temp reads normal but is about 7 deg off from 94 s-10 4.3 readings a nice cone patteren from both injectors |
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02-10-2005, 12:39 AM
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#2 | |
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AF Newbie
Join Date: Sep 2004
Location: rome, New York
Posts: 28
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Re: rough then fast idle during cold starts
hello i`m having the same problem also but my oil pressure is low and i have to do a pressure test at the sending unit and i have a check engine light on also
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02-10-2005, 02:02 PM
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#3 | |
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AF Enthusiast
Join Date: Dec 2004
Location: Shellsburg, Iowa
Posts: 3,218
Thanks: 8
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Re: rough then fast idle during cold starts
I'd try a bottle of fuel system cleaner. I like SeaFoam, I think it's the best made.
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