TSB Document:

Affected Component: BACK OVER PREVENTION

Summary
Unusual engine noise after a cold engine start. Some customers may complain about an unusual noise coming from the engine compartment for about 20 seconds after a cold engine start. This noise is a normal engine operation for improved exhaust gas emissions. The noise does not indicate a malfunction.

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Date Published
OCT 25, 2016
NHTSA TSB #
10185822
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