Skip the auto shop - Our mechanics make house calls

Q: Fuel Pump

asked by on

I just had a fuel pump installed on my 2012 Malibu and it worked fine for 2 starts. Now, when I try to start, it only turns over and doesnt even try to send fuel. Is there a relay I can check/change?

My car has 133000 miles.
My car has an automatic transmission.

If you have a brand new fuel pump, I would recommend trying a few things. First, I would verify that the connections to the fuel pump are fully plugged in and that no wiring issues exist. Next, I would check the fuel pressure to make sure it is at the manufacturer’s specification. Finally, I would check the fuel pump relay that is under the hood in the power distribution box. If the relay has failed, I would recommend replacing it. You can test the relay by swapping it with a similar relay to a known working circuit.

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: Engine has a misfire

There are a number of things that can cause poor fuel mileage, which may also cause it to misfire. A faulty camshaft position sensor is one of them. The camshaft position sensor is a magnetic sensor that monitors camshaft speed...

Q: What is the airbag system?

Airbags are a passive restraint for reducing the chance of serious injury in the event of a crash, and they have been proven to do so. Airbags are inflatable bags located inside of interior parts of a vehicle that can...

Q: Check engine light and trouble starting.

Hi there. The P0172 trouble code indicates that there is too much gasoline being detected in the exhaust gases exiting the combustion chamber. The ECU uses a number of instruments, such as the mass air flow sensor (MAF), oxygen sensors,...

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...
How Much Does a Mechanic Make in Vermont?
Automotive technician jobs in Vermont have an average mechanic salary of $37k, with some mechanics earning a salary of $53k.