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Q: What can cause a car to lose power when driving over 50MPH?
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Could a bad battery cause a car to lose power when driving?

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Loss of power while driving?

There are many reasons as to why a car may lose power while driving. However, the most likely cause is a bad fuel pump. This causes the car to 'think' that there is not any gas, so it begins to stall, and eventually stalls while driving.


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If you lost power while driving and it did not start again, it could be an alternator issue. Double check the battery just to make certain it isn't an issue with the cable connectors too.


Why would a 1997 Mercury Villager LS lose power and be difficult to start again after driving for 15 minutes?

At what point does it lose power? As you're driving? When you come to a stop? plugged converter