Skip the auto shop - Our mechanics make house calls

Q: Check Engine light on

asked by on

My Check Engine, Check Electronics light was on. I changed the gas cap, but the light came back on a few days later.

A: If the Check Engine light came on in relati...

If the Check Engine light came on in relation to the fuel cap being replaced, then that means it may not be a fuel cap related problem. I would recommend having the vehicle scanned for trouble codes by a knowledgable technician, to determine the exact nature of the Check Engine light.

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・Save up to 30%

Get a quote

What others are asking

Q: The Mercedes service advisor recommend replacing the rotors when they replace the brake pads.

The dealer would like to change the rotors to help prevent any come backs due to bad brake performance, vibrations, etc. It is not always necessary to replace the rotors, but if there is damage to them, like deep scoring,...

Q: EGR BPT valve & EGR solenoid valve need replacements

Hello there. When codes go away like this, it generally means that the fault has resolved itself or the Check Engine Light has failed in the cluster. If the code is gone this would indicate that there is not a...

Q: Need opinion on 2012 Audi A8

Hello. Depending on the price and condition of the vehicle it may or may not be a good buy. If the ACC sensor needs to be replaced keep in mind that the cost of parts and service will be slightly...

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...
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.