97 Buick LeSabre that has 1-second surges around 45-65 mph while climbing hills or...

  • Thread starter Thread starter Blueiz
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Blueiz

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...slightly accelerating..Help It's a LeSabre Limited 6-3800. I've already had the plugs and wires changed recently. My gas mileage has also decreased. What else can I check?
 
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