TSB Document:

Affected Component: STRUCTURE

Summary
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.    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

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Date Published
MAR 31, 2021
NHTSA TSB #
10190444
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