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I have a 2012 accent. At idle, the rpm needle is just at the mark below 1000rpm. Whenever the AC compressor comes on, the engine jerks and goes off. Also the light on the AC button inside doesn't go off once the AC knob is turned on. Someone please help.
 

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I have a 2012 accent. At idle, the rpm needle is just at the mark below 1000rpm. Whenever the AC compressor comes on, the engine jerks and goes off. Also the light on the AC button inside doesn't go off once the AC knob is turned on. Someone please help.
Clean the throttle body and IAC valve.
 

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the AC button doesn't go off if you set it to max AC try to crank it up one tick and you'll be able to control the AC , circulation buttons , as for the engine jerking and stalling . clean your throttle body and IAC valve as @grcauto.
 
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