car jerking after about twenty minutes

2005 TOYOTA AVENSIS
132,000 MILES • 4 CYL • 2WD • AUTOMATIC
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CHRIS TAPUOSI
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Hey there, my car goes for about 20-30 minutes then starts jerking and RPM starts going crazy.
Dec 19, 2019 at 12:17 AM
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ASEMASTER6371
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Good morning,

Is the check engine light on?

Does the transmission seem to be working properly?

Roy
Dec 19, 2019 at 2:55 AM
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CHRIS TAPUOSI
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No check engine light on but i think transmission is fine. the car just starts jerking after half an hour and i don't know what's wrong with it.
Dec 19, 2019 at 4:29 AM
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ASEMASTER6371
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I would suspect a clogged catalytic converter. I would have this checked as it would give you all those symptoms.

https://www.2carpros.com/articles/how-to-test-a-catalytic-converter

Roy
Dec 19, 2019 at 8:36 AM