Skip the auto shop - Our mechanics make house calls

Q: Engine power loss and odor from the exhaust

asked by on

Several days ago, my car began to develop some problems with engine. The engine is losing power significantly. The dash in the car has been showing the check engine light illuminated as well. Yesterday, there was also odor coming from the exhaust. What might be causing these problems?

A: Hello. The symptoms you are experiencing ca...

Hello. The symptoms you are experiencing can be caused by a wide variety of issues. It may be possible that the vehicle has suffered a component failure, perhaps at the fuel or ignition systems, which is setting off the light and causing performance issues. I would recommend having the computer scanned for trouble codes to determine the correct course of action to take.

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: Exaust smell coming through car vents, especially when idle. Engine has a clicking noise since having the spark plugs replaced.

From what you've described it sounds like there may be a loose spark plug. This would cause both of the issues you are describing. The clicking is the exhaust gas escaping through the spark plug hole, which also allows this...

Q: Issue with throttle position sensor and Check Engine light is on.

I'm not quite sure what to make of this description, but I'm guessing you are trying to say the check engine light goes off and on intermittently with a code stored for the throttle position sensor (TPS). I do not...

Q: Car acts like I hit the brakes when I first hit gas

Hi there. This can be caused by a number of things, but the most common is a sensor issue. Most of the time this is caused by an issue with the throttle position sensor or the throttle body itself. If...

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...
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...