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12-29-2014, 05:39 PM | #34 |
Ruler of the free world
Drives: 09 Yaris 2D HB Join Date: Jul 2010
Location: Utah
Posts: 49
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09 MT LB Mine does sometines..
I dont believe this is 'normal', as some have stated theirs does NOT do it. My experience is the same as XYaris'. Most noticeable after a freeway run when stopped at the offramp, in neutral, brake lights on. RPM does a little dance.. about 550 then dips to 450 for a sec or two, shakes, then back to 550, then back to 450.. up and down til I change something. Very annoying, feels like it's gonna die.. it would be fine if it would just hold 550 RPM. I will be looking at the motor and trans mounts for possible wear/breakage. If it were just an ECM flash, like some say, I would gladly give up the miniscule amout of fuel it would take to keep it running smooth.. I was thinking I might have some carbon buildup in the idle control valve (or whatever controls idle ???) and maybe I do.. Any tips on where/what controls the idle - and how to clean it??? |
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