Skip the auto shop - Our mechanics make house calls

Q: Car won't start even after I replaced the fuel pump.

asked by on

Car won't start and turned off while driving. Replaced the fuel pump and I can hear it working. The car still won't start.

A: If the fuel pump has been replaced and your...

If the fuel pump has been replaced and your issue is still fuel related you may have a clogged fuel filter or malfunctioning fuel injectors. If all of these parts are known to be functioning properly the issue is likely not fuel related. Another possible cause of the vehicle dying while driving and not being able to start again is a faulty alternator. The alternator’s job is to charge the battery so the vehicle can be started again. If the alternator is not charging the battery then all the vehicle’s electronics will be draining the battery while driving. Once the battery voltage gets too low the vehicle will quit running. If the alternator is faulty it will need to be replaced and the battery will need to be charged. I would recommend the services of a mechanic to diagnose and repair your issue.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

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

Get a quote

What others are asking

Q: RPM issue. Car can't produce enough power. Idles low and caps at low RPM.

Hey there, thanks for writing in about your 2001 Nissan Sentra. It sounds like you may have a throttle position sensor issue or idle air control valve issue. If the catalytic convertor was not replaced, it could also still be...

Q: My car won't start and it makes a clicking noise.

Based on the information you provided, it sounds like you may need to replace your starter. Your brakes should feel better once you get the vehicle started, unless you have a brake issue. The brake booster will provide about three...

Q: Fuel level sensor

The codes may be to the fuel level sensor inside the fuel tank on the fuel pump module is out of specification range for the sensor. You may have corrosion in the connector effecting the resistance of the sensor. Check...

Related articles

How Do Power Car Windows Increase Passenger Safety?
Power windows are responsible for approximately 2,000 emergency room visits every year. When a power window closes, it exerts enough force to bruise or break bones, crush fingers, or restrict an airway. Though...
What Causes Hoses to Leak?
While the largest part of your engine is mechanical, hydraulics plays a significant role. You’ll find fluids at work in a number of different areas. Your car's fluids include: Engine oil Transmission...
What are the Car Pool Rules in Hawaii?
Hawaii is widely regarded as a land of vacation and relaxation, and as such, its scenic roads and routes are far better known than the state’s freeways. But, as with all...