This Preliminary information communicates Some customers may comment about a rough idle and/or vibration at idle. This condition may be most noticeable when the engine is completely warmed up and accessories are off, you may also feel this while idling at a stop in Drive. May feel like a misfire, stumble, lopey or lumpy idle or may be described as a low idle. Â
This concern may be caused by several potential causes:
Misfire and/or base engine concern
Wrong fuel used (regular instead of premium when required)
Idle speed fluctuation
Engine mount pre-load
