engine will not go faster than 50

Asked by Jun 12, 2013 at 12:40 PM about the 2006 Buick LaCrosse

Question type: Maintenance & Repair

while driving about 70 on highway speed odometer goes wild and car slows down to about 50 and will not go any faster.

2 Answers


does the speedometer slow or the actual car slows and the speedometer is accurate. the first thing i would try is start with the basics. fuel filter, injector cleaners. not much to tell ya by the descriptive problem.

1 people found this helpful.

My car just lost power and wouldn't go over 50mph either. Buick knows they have a weird intermittent problem, but sounds like there is not a fix yet.

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