Question about 2002 Buick LeSabre

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For my 2002 Buick LeSabre, with about 120000 miles on it--normally it runs very well. However, at about 65-70 mph, the car shakes so violently that I almost lose control. Any ideas?

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  • 61 Answers

Check tyres maybe they need balancing

Posted on Dec 30, 2013

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Posted on Jan 02, 2017

  • 13 Answers

SOURCE: 1996 buick LeSabre runs rough at 50 mph

Sounds like low fuel pressure. i.e. fuel pump, fuel pressure regulator, or fuel filter.

Posted on Jun 02, 2009

  • 39 Answers

SOURCE: 1997 Buick LeSabre, 54,000 miles

remove plugs and check for carbon tracing . if found plugs and wires will fix problem

Posted on Oct 24, 2009

  • 2 Answers

SOURCE: I have a 1998 Buick Lesabre that keeps losing antifreeze.

Buick 3.8's are notorious for intake manifold leaks. If you are sure you are not leaking externally (look under the alternator and on the top of the transmission), it could be an intake manifold leak. I've replaced mine...I didn't think it was too hard a job for an amateur.
It could also be a head gasket, but the intake leaks are much more common.

Posted on Dec 25, 2009

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