Rough Idle
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Location: Florida
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First post and thought I could use some help with my car. I have an 04 gs300 with 150k miles. I'm having rough idling and vibrations when coming to a stop where it fluctuates between 300 and 600 rpm but once start going again the car acts fine. The problem gets worse if I have the ac on. The problem started off only once and a while but now its constant every time I stop. Also last night When driving home I lost my throttle response, id have to floor it then it kicks in at 5k. I've cleaned the maf so far and am looking for any other help or suggestions.
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