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12-03-2004, 07:42 PM | #1 | |
AF Newbie
Join Date: Dec 2004
Location: romeoville, Illinois
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2001 2.7 idle problem??
I own a 2001 4x4 with a 2.7 and auto trans. My problem is when I come to a stop my tach drops down to 700 and my idle is smooth, if I sit for 20 or so second at a light my tach drops to 600 and the truck developes a shake or rough idle, has anyone else experienced this? Does anyone know what to do to correct it? My local dealer says this is normal for the 2.7.
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12-03-2004, 07:44 PM | #2 | |
AF Enthusiast
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Re: 2001 2.7 idle problem??
I have the '00 2.7 and the idle does suck sometimes. hell every once in awhile the idle jumps higher and makes the truck want to move.
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12-03-2004, 11:36 PM | #3 | |
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Join Date: Apr 2004
Location: Jacksonville, Florida
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Re: 2001 2.7 idle problem??
isn't the engine idol completely controled by the computer, I know that you used to be able to control it when toyota used a carberator but I think since they came out with injectors the idol was pre programed in the computer, the only thing I can think of that would screw up the idol is maybe a bad sencor some where?
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12-04-2004, 02:24 PM | #4 | |
AF Regular
Join Date: Nov 2003
Location: san leandro, California
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Re: 2001 2.7 idle problem??
Check for the easiest things. Vacuum leaks. Dirty maf sensor. Maf sensor especially if have a preoiled airfilter such as a k&n.
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12-04-2004, 02:34 PM | #5 | |
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Re: 2001 2.7 idle problem??
Thanks, OBATDDSD, I'll check your suggestions.Would a dirty maf sensor throw a code, or only throw a code if it wasn't functioning? Second question, how would you recommend cleaning it?
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12-04-2004, 10:24 PM | #6 | |
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Re: 2001 2.7 idle problem??
On my 95 it there was no check engine light. On my friends he had a check engine light. Strange huh... Maf sensor cleaner in a spray can at Kragens or whatever auto store nearby. It appears to be a slight build up of burnt on crud. Dont clean while hot or engine running.
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