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    Surge while stopped?

    Thanks!
  2. T

    Surge while stopped?

    I've got an '07 LTZ...sometimes while sitting at a stoplight with my foot on the brake, I feel a sudden surge or jolt. First time it happened, I thought I was bumped by the car behind me.....my neighbor has an '07 Avalanche that does the same thing sometimes. Has anyone experienced this and...
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