Skip the auto shop - Our mechanics make house calls

Q: Need to replace O2 sensor

asked by on

My Engine light is on. I think it might need an O2 sensor replaced.

A: When a Check Engine Light is illuminated it...

When a Check Engine Light is illuminated it can be scanned by a tool. The code that gets read by the computer signifies what needs to be changed/replaced. An O2 sensor code quite possibly may be the case, but a mechanic can be certain by proper diagnosis of the Check Engine Light codes. After diagnosis, they will be able to pinpoint exactly what needs to be repaired.

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: Hi I have a 07 impala 5.3 and I've been having an issue when I try to accelerate if I give it to much gas it starts to buck and he

Hi there. It sounds like you may have a low fuel pressure concern. A car can idle with low pressure, however when demand is placed on the system it will fail as in your case. The engine is possibly starving...

Q: Car turns over but doesn't start

An ignition tuneup should be performed on this vehicle, if it hasn't been done already; ignition components are a weak point. You should also have your fuel pressure tested. A diagnostic inspection of your no start issue from a qualified...

Q: Which sensors are most important for monitoring and improving the engine’s performance?

The way modern electronic engine control systems are designed, all of the sensors are important but some are more crucial to the vehicle than others. For example, if the engine electronic control unit (ECU) loses the input from the coolant...

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...
How Long Does a Heater Control Valve Last?
Keeping the right amount of coolant in a car is essential in keeping the engine at the right temperature. Failing to have the right amount of coolant or even bad elements...
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.