yaris starting problem and accelerate pedal not accelerating

[Professor_1]

Good morning guys, am driving 2010 model T1 yaris and the problem is it start perfect and after 5 or 10min it will change idliling then the accelerate pedal it work work anymore after the engine is warm pls help me its a hatchback 3cylinder

 

[Professor_1]

MERGED QUESTION
Question from Professor_1 : "yaris T1 prblm"

hi guys i hv prblm of T1 yaris once the engine is warm the accelelerate pedal wont work anymore and the when i switch off the car it wont start until the engine is cold again its where it will start again