Skip the auto shop - Our mechanics make house calls

Q: What kind of damage can a bad catalytic converter do to my vehicle?

asked by on

I was told that I have a bad catalytic converter and engine light is on, rattling nose, constantly pumping gas. How can it effect my engine? I was told it would cost over $2000 to fix it. Can I fix it myself? I started noticing that it has a hard time going up hills and my vehicle seems to get hot faster ( fogging windows).

My car has 200000 miles.
My car has an automatic transmission.

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: Changed catalytic converter, no lights on dashboard, but codes for catalytic converter & O2 sensor still remain

Hello. If you have changed these parts and if the check engine light is not on but the codes remain then you should drive the vehicle for a while. it can take about 500 miles for them to clear. If...

Q: How do I navigate through the Uplevel Message Center?

Your truck has a helpful tool called the Uplevel Message Center. This message center logs many of your vehicle's functions and displays them for you to use. There are many features to see in the Uplevel Message Center. To navigate...

Q: Serpentine belt is squeaking/chirping - 2006 Ford Expedition

When the car was built, I guarantee that Ford didn't have a guy on the assembly line spraying belts. I would first check to make sure that all of the pulleys are ALIGNED. It is not unusual, for the PULLEY...

Related articles

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...
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...
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.