Skip the auto shop - Our mechanics make house calls

Q: Car rattling upon acceleration.

asked by on

When I accelerate my car makes a rattling noise that sounds like it is coming from underneath the car. It only does this when I am pressing the gas.

A: The noise you may be hearing is either the ...

The noise you may be hearing is either the catalytic converter is rattling from being broken up inside it. You may be hearing an engine ping that sounds like a rattle from the engine. It could also be one of the front axles clicking or rattle. The only way to tell which one is to road test and hear the noise. I would recommend having a mechanic, like the certified ones at YourMechanic, come and check it out for you to see what is causing the problem.

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: Experiencing a slight rattle and loss of power.

Is this an automatic or manual transmission? I need to know what type of transmission you have because this rattling sound could be different things depending if it is an auto trans or manual. Either way I would recommend that...

Q: "H" temp reading

When it comes to the cooling system, there are other components that can fail which would cause the temperature to rise. Even if your coolant is full, if the thermostat will not let enough pass through, the system will not...

Q: Engine occasionally misfires

Hi there, thanks for writing in. In most cases, if you have an error code show up, make the change of components and don't reset to the error code with a digital scanner, the issue will still continue. This is...

Related articles

P0240 OBD-II Trouble Code: Turbocharger Boost Sensor B Circuit Range/Performance
P0240 code definition Turbocharger Boost Sensor B Circuit Range/Performance What the P0240 code means P0240 is an OBD-II generic code triggered when the Engine Control Module (ECM) detects the intake boost...
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...
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.