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  1. S

    2014 Sonic Idle

    I forgot... they also said it sounds like a misfire on cylinder #2. We will see.
  2. S

    2014 Sonic Idle

    Have you had the idle settings. Mine is at 650rpm. Chevrolet says it's low... should be at 800-1000rpm. Also, the transmission may not be engaging the clutch consistently. (Automatics) I'm having it serviced tomorrow... will let you know how it goes. Rob
  3. S

    2014 Sonic Idle

    I recently purchased a 2014 1.8 Sedan. I have seen many issues posted, with idling rough and surges randomly at idle. When I checked for codes... none, but the idle was out of range... according to Service Department it should be at 800 to 1000 rpm... mine is at 650 rpm at idle. In gear or...
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