Toyota Yaris engine over reving

Car: Toyota Yaris
Variant: T3 D4D
Model Year: 2005
Categories: Running Rough, Starting & Power Loss
WHEN I START THE CAR UP FROM COLD THE ENGINE OVER REVS ITS SELF FOR ABOUT 2 MINUTES THEN GOES OFF IVE HAD IT ON A DIAGNOSTIC MACHINE AND IT PICKED NOTHING UP THE CAR HAS JUST BEEN SERVICED
Posted: Aug 20, 2008 (16 years ago)
it just sounds like a automatic choke so there is nothing to worry about
Posted Aug 22, 2008 (16 years ago)
My avensis does something similar sometimes, usually when the A/C kicks in or there is some other electrical load like the heated rear window.
Posted Jun 7, 2009 (15 years ago)
This happens on purpose when the engine is cold/not warm enough.

It usually revs up to 1k and then drops to 500 when its warm enough.
Posted Apr 8, 2010 (14 years ago)

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