Skip the auto shop - Our mechanics make house calls

Q: Slight knocking while driving

asked by on

My car is leaking oil under the car and has a slight knocking while the engine is running. The Engine light is also on.

If your car has been leaking oil for an extended period and you hear knocking, it’s possible that an engine bearing has either spun, or is about to spin in its bore. After fixing the oil leak, I would recommend having a certified mechanic, like one from YourMechanic, remove the oil pan and inspect your connecting rod bearings.

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: Jerking reaction when accelerating

Hi There, The jerking or bucking problem you describe is normally associated with either transmission problems or some kind of misfire related to ignition problems (i.e. crank sensor, cam sensor, ignition coils, bad spark plug wires or plugs) or in...

Q: Disappointed about how this car feels driving

Dating back to at least 2003, GM has had this reduced power condition on many models (with this electronic throttle body system), which they state is corrected by replacing the throttle body and reprogramming the computer. I have personally encountered...

Q: O2 Sensors

As you may know the oxygen sensors, which are part of your emissions system, read exhaust gases to determine whether or not the appropriate amount of oxygen is present in the exhaust. Based upon this reading, this information is relayed...

Related articles

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...
P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...
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.