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Vibration at 2000 rpm 2012 Lacrosse

Souserwn

New member
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1
Buick Ownership
2012 Lacrosse
Need asssistance. When acclerating or crusing and rpm is at 2000, there is a vibration but no performance change. At lower or higher rpm, no issues. No dash lights come on. Mechanic found no issues with codes.
 

Souserwn

New member
4
0
1
Buick Ownership
2012 Lacrosse
Yes, no issues with the mounts or exhaust.
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T. Dozier

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1
Buick Ownership
Lacrosse
I’m having similar issues....my dealer thinks it’s a catalytic converters. What did your research suggest?
 
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