Buick TSB #PIP5493E
2018 Buick LaCrosse
Affected Component: FUEL SYSTEM, GASOLINE
- 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.
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