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Chevrolet TSB #PIP5798
2019 Chevrolet Silverado 1500
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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