Why Does My Car Randomly Lose Power While Driving?

Drivers often search “car randomly loses power while driving” when the vehicle suddenly feels unresponsive or sluggish, even though the engine is still running.
This issue can be alarming, especially when it occurs at speed.
Common Causes of Power Loss
• Engine control unit signal issues
• Sensor data inconsistencies
• Electrical supply interruptions
• Vehicle entering a reduced power mode
Power loss doesn’t always come with loud noises or obvious mechanical symptoms, which is why electronic causes are frequently involved.
Frequently Asked Questions
Can a car lose power without stalling?
Yes. The engine may continue running while power is limited.
Is this related to limp mode?
In many cases, yes — power loss can be an early form of limp mode.
Does this happen intermittently?
Yes. Many electronic faults cause symptoms that come and go.
Is it safe to continue driving?
Reduced power can affect safety, especially during overtaking or motorway driving.