Q: Car shut off during driving

asked by on July 28, 2016

The other day while I was driving, the car suddenly lost all power. I tried to give it gas but it was unresponsive and very soon it turned off completely. What could be wrong with my car?

Alternator Replacement $149.30 - $1391.75 Get a Quote
Battery Replacement $200.97 - $319.07 Get a Quote
Car is stalling Inspection $79.99 - $89.99 Get a Quote

Hello. It sounds like your 2002 Porsche Boxster lost all battery power. This occurs when the alternator fails and causes the battery to die. It is a common issue. The battery must first be checked and then replaced or recharged. Once it is fine, the alternator can be checked. If you need to have this done, consider YourMechanic, as a certified mechanic can come to your home or office to diagnose your stalling issue and perform any needed repairs.

The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

What others are asking

My abs and parking brake lights are coming on and staying on

Your ABS/parking brake lights are probably indicating multiple problems Check the simple possibilities first like the brake fluid level and the brake lights working. Then check wheel speed sensors (some times bad wheel bearings can cause a wheel speed sensor...

Car is jerking back and forth. P0171 and P0172 codes are on.

Hello. These symptoms suggest something is causing big swings in the fuel mixture when this occurs - quite possibly the O2 sensors (pre-catalytic converter - 2 of them). P0171 is a "lean mix" warning, and P0172 is a "rich mix"...

Check engine light on, engine knocking, loss of power, and coolant leaking.

Hi there. Grab a flashlight and look under the vehicle for where the coolant leak is coming from. Either there is a gasket, hose, or freeze plug that is leaking causing the coolant to leak or the engine has cracked....

When temperature is below freezing have a hard time starting vehicle (No crank no start).

Hello, thank you for writing in. There are several electrical issues that occur in extreme cold weather. Everything is harder to do below freezing temperatures. If the components are all fine, the game you are playing is more preventative. Make...

Getting to cylinder #3 to replace ignition coil?

I could go into a long drawn out direction to remove the coils on the engine but if you go on google and put in "2002 Infiniti q45 #3 coil removal" in the search bar you will see many good...

Blinking of ESP and ABS activation with auto-braking on bumpy roads on a 2002 MI ML320

You've got a problem with the speed system on that car and those things are very complex. What you'd want to do is watch my video "fixing insanely complex modern cars," and you'll see how complicated your car is. ...

Car turns on, runs about 30 miles, and then starts shaking and turns off - 2007 Toyota Sienna

Hi there. What will help you the most is determining the nature of the failing behavior when the car shuts off. Does it have spark after it shuts off? After it shuts off (immediately after), if you spritz some starter...

There's a clank sound in axel area, car won't start suddenly, and power steering fluid seems to spin more than usual.

Hello, thank you for writing in. The vehicle may be having several issues at once. You want to start by addressing the starting problem, as it is the most likely to cause issues with other systems in the car. Start...

Truck has a problem with the crankshaft

I would need more information to know the exact nature of the problem. However, if you believe you are experiencing a problem with the crankshaft, this may show itself as a harmonic vibration that becomes more pronounced when you rev...

Related articles

A Buyer’s Guide to the 2012 Porsche Boxster
From From the base Boxster to the more powerful Spyder and Black versions, this little drop-top has been a beloved classic in Porsche’s popular high-end sports car line since its inception in 1996. The combination of style, fun, and performance...
A Buyer’s Guide to the 2012 Porsche Cayenne Hybrid
For For drivers that want the convenience of an SUV with its cargo space and hauling capabilities, yet still want a car that is fun and responsive to drive, the 2012 Porsche Cayenne Hybrid needs to be added to your...
What Causes a Car to Stall?
You trust your car. You may not think about it, but you believe that certain functions will occur without fail. You may be aware...