Clutch problems

Clutch: Mechanical friction device that engages or disengages the engine from the transmission.
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Unstable idle speed and exhaust smell

Toyota Yaris 2009  290000 miles
Hi, some days ago, the idle speed started being unstable. I noticed this when braking at a traffic light after driving at high speed and also when turning the engine off and starting it again; it starts with around 500 rpm and it is only after some minutes that it normalizes. The other problem is that there is a terrible smell coming from the exhaust, and also that, when changing to first gear, a strange noise is heard. It seems to be a clutch or bearing sound. Please help me. Thanks.
Mike from United States 9 years ago  
MI
2 reports 
Mike from United States 8 years ago
Well, I finally discovered that the noise is coming from the thrust bearing and, talking about the idle speed unstable, I cleaned the air flow meter, throttle body and oxygen sensor.
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