Buick TSB #PIP5493G

2018 Buick LaCrosse

TSB Document:

Affected Component: ENGINE (PWS)

This Preliminary information communicates diagnostic tips for misfires on active fuel management cylinders and engineering investigations into cylinder 6 misfire on XT5 and cylinder 4 misfire on LaCrosse both of which are 2017. Changes to Preliminary informationinclude adding MY2018, advising of calibration for previous investigation and adding pictures to identify concern. Also defining calibration update information.

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Date Published
AUG 09, 2018
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