Intermittent power loss on Toyota Yaris

My Toyota Yaris automatic sometimes loses power when pulling away from a junction. It only happens in the first mile or so of starting and only started happening a few months ago. Any idea what might be wrong?

Asked on 24 September 2014 by Pat1949

Answered by Honest John
Which Yaris auto. 2005 or earlier should be problem free as they had a reliable 4-speed torque converter auto. 2006 - 2011, disastrous because they were fitted with an automated manual that is prone to clutch and actuator failure. From 2011, fine, as they are all fitted with a reliable CVT.
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