Skip the auto shop - Our mechanics make house calls

Q: Noise from under car

asked by on

Our van is making a whirring noise from the rear undercarriage when the car is turned off. The noise lasted for over an hour until I finally disconnected the battery

My car has 100000 miles.
My car has an automatic transmission.

A: Hi, thanks for writing in. The only thing i...

Hi, thanks for writing in. The only thing in the rear of the vehicle that makes a whirring noise would be the fuel pump. It is possible that you have a short in your electrical system that is causing the fuel pump to stay running even when the ignition is off. It is also possible that this short could be inside the ignition switch. I would recommend having the fuel pump circuit and the ignition switch inspected and tested by a certified mechanic to determine if either one of them has and issue. If either one of these systems are faulty, I would recommend having the repairs performed as soon as possible in order to prevent this issue from draining your battery. Here at YourMechanic, we can have a technician come to your home or office to inspect and diagnose this issue for you, and make or suggest the necessary repairs.

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

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: Car hesitation and misfires

Hello. The most common cause of this is a tune up issue. If the spark plugs are worn then this can happen. If the check engine light is coming on I would typically start by scanning the computer for codes....

Q: Sound when starting - 2004 Dodge Durango

Hello there. You are off to a good start in fixing your 2004 Dodge Durango. If there is a knocking sound and replacing the starter did not fix the issue, and you have a knocking noise when cranking, then it...

Q: What does it mean when your wheels are at 40%?

The mechanic is letting you know either how much brake pad or tire life is left on them. For instance, a mechanic might let a customer know that the rear tires have 40% life left on them or the brake...

Related articles

P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the P0052 code means This code is seen when the Engine Control Module (ECM) tries to control the...
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...
P2103 OBD-II Trouble Code: Throttle Actuator Control Motor Circuit High
P2103 means there is a fault with the throttle actuator control motor circuit, likely due to a defective electrical component or part.