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Car loses power after quick acceleration

  

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2000 Pontiac Bonneville SSEi Supercharged

~150k mi.

Automatic

Despite its age, this car runs relatively great.

However, sometimes if I accelerate too quickly (gunning it) the car seems to become disabled: my accelerator ceases to do anything, I lose power steering, and the battery symbol flashes on the dash.

I pull over, restart the car, and it’s good to go.

The battery is only 3 years old.

The mechanics I’ve taken the car to either (a) can’t replicate the issue or (b) can’t identify what’s causing the issue

Any help would be much appreciated!


1 Answer
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A 3-year-old battery is not necessarily good. Have the battery and alternator load tested.

Did any of the mechanics get a snapshot of live data when the problem occurs?


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