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09-26-2007, 07:46 PM
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#1 |
 Drives: 07 Yaris HB Join Date: Sep 2007
Location: USA
Posts: 5
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Idle
My 07 HB idles up and down. Anything i can do to fix this?
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09-26-2007, 07:51 PM
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#2 |
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der Zeck
Drives: '05 Audi A4 1.8t quattro Join Date: Sep 2006
Location: Toledo, OH
Posts: 5,231
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NST pulley set
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09-26-2007, 07:56 PM
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#3 |
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Drives: 07 Yaris HB Join Date: Sep 2007
Location: USA
Posts: 5
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do they all idle like this?
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09-26-2007, 08:00 PM
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#4 |
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der Zeck
Drives: '05 Audi A4 1.8t quattro Join Date: Sep 2006
Location: Toledo, OH
Posts: 5,231
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yes
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09-26-2007, 08:04 PM
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#5 |
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Steals terrorist's lunch
Drives: 2007 Yaris Liftback Join Date: Mar 2007
Location: Reno, Nevada, USA
Posts: 1,299
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No, they don't all do that, and to suggest a 3rd party replacement part for a vehicle that's still under warranty is irresponsible at best and shady at worst.
Rather than exert a lot of effort to diagnose a problem with 20 or so potential causes I suggest you just take it to the dealership and let them do all the work. 
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- Brian Share the Road I often carry 2 carpool passengers and mountain bikes or snowboards/skis over a 4,500 foot elevation difference. Click the graphic above to see my detailed mileage logs. |
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09-26-2007, 08:06 PM
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#6 |
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der Zeck
Drives: '05 Audi A4 1.8t quattro Join Date: Sep 2006
Location: Toledo, OH
Posts: 5,231
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ok not all of them do that.... just 99% of them.... and BailOut is a.... yeah, not even worth it anymore
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09-26-2007, 08:11 PM
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#7 |
 Drives: 07 yaris liftback Join Date: Mar 2007
Location: NY
Posts: 220
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Whats a warranty?
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Car forums are kinda like the public library - somepeople are just checking stuff out, and plenty of other people are just telling stories... |
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09-26-2007, 08:13 PM
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#8 |
Drives: '14 GT86, '08 Vitz Join Date: Dec 2006
Location: Central Valley, CA
Posts: 9,873
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ahhh, the unclear word of a dealership. lol...
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09-26-2007, 08:15 PM
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#9 |
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Drives: '14 GT86, '08 Vitz Join Date: Dec 2006
Location: Central Valley, CA
Posts: 9,873
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by idling up and down, do you mean when you come to a stop, it'll drop below "idle" speed, then go back to normal "idle" speed? do you have the a/c on? i think that'll cause it to go above normal (briefly), then go back to normal.
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09-26-2007, 08:18 PM
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#10 |
Drives: 07 Yaris HB black Join Date: Apr 2007
Location: Vancouver, B.C. Canada
Posts: 28
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I took mine to the dealership a week after I had it for this same reason. It only does it if the A/C is on or you have one of the two defrost options on. Its the rely or something kicking in then turning off. What the dealership told me anyways.... if you turn to any of the other vent options you won't have that happen
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09-26-2007, 08:20 PM
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#11 |
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Drives: '14 GT86, '08 Vitz Join Date: Dec 2006
Location: Central Valley, CA
Posts: 9,873
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yeah, i noticed that too when i turn on the rear defroster. idle drops briefly, then goes back to normal.
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09-26-2007, 11:39 PM
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#12 |
Drives: 2005 Scion xB Join Date: Nov 2006
Location: The Black Hills of South Dakota
Posts: 1,059
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It's probably A/C related. In absolutley no way could an NST pully set cure this problem. Bad advide.
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09-27-2007, 06:15 PM
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#13 |
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It's the illusion you see
Drives: 07 Yaris Sedan Aero Join Date: Oct 2006
Location: Brossard, QC
Posts: 3,888
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defrost turns on the AC compressor. so yeah... you will see your MPG dropping significantly if you always drive on defrost :)
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09-28-2007, 01:00 PM
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#14 |
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It's pretty normal, when the a/c compressor kicks in, it takes about 3-5 hp !
The engine management needs to correct that and even it only takes a second, you get the impression that the idle is going like a jojo ! It does that very irregularly, depending on chosen inside and outside temperature. Nothing to worry about, lots of cars have this phenomonon. 
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09-28-2007, 01:09 PM
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#15 |
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wacky broadway nightmare
Drives: Willow is a '07 Red Yaris LB Join Date: Apr 2007
Location: dallas
Posts: 621
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Mine idles just fine.
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"it's always complicated and at some point someone has to draw the line and that is always going to be me. you get down on me for cutting myself off but in the end the slayer is always cut off" Buffy 
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09-28-2007, 03:16 PM
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#16 |
Drives: 2007 Yaris manual dark silver Join Date: May 2006
Location: Fond du Lac, WI
Posts: 694
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you may have blown a head gasket
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7 Color Tach Fujita Intake Momo pedals Shift knob and boot. Full TRD SSK. Blitz exhaust Megan Lowering Springs (Next is DC Header) |
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09-28-2007, 03:17 PM
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#17 |
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Drives: 2007 Yaris manual dark silver Join Date: May 2006
Location: Fond du Lac, WI
Posts: 694
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some times you idle is up and down because your car is trying to adjust to driving condition
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7 Color Tach Fujita Intake Momo pedals Shift knob and boot. Full TRD SSK. Blitz exhaust Megan Lowering Springs (Next is DC Header) |
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09-28-2007, 04:08 PM
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#18 | |
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Steals terrorist's lunch
Drives: 2007 Yaris Liftback Join Date: Mar 2007
Location: Reno, Nevada, USA
Posts: 1,299
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Quote:
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- Brian Share the Road I often carry 2 carpool passengers and mountain bikes or snowboards/skis over a 4,500 foot elevation difference. Click the graphic above to see my detailed mileage logs. |
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