What causes rough idle only when weather is hot and I use the AC.
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Usually after it has run awhile and you stop some where and turn the engine off. when you start again then the RPMS drop to around 5-6 hundred every time you come to a stop.AC will not cool properly. Turn AC off and drive awhile and problem usually stops for awhile.
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was on this time, but not every time its happened. I haven't checked if check light is still on after 24 hrs.
Have codes read and post results..... Need code numbers!!