GMC Savana Engine Noise

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New Vehicle With Loud Engine Noise

2018 GMC SAVANA
When Engine Is Warm Or Idling Then Start And Engine Makes A Loud Roaring Sound. Example Would Be After Engine Warm Stopping At Traffic...
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Asked by Dan Dennis

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BackfireCompressionDamagedHard to StartIdle HighIdle RoughLow PowerMisfireNoiseNot Cranking OverNot RunningOverheatRattleStall While DrivingThrew a Rod

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