Skip the auto shop - Our mechanics make house calls

Q: Broke down on the highway and had towed to a Buick dealer. They diagnosed and replaced the catalytic converter.

asked by on

I drove it 25 miles and the check engine light came on. Brought it back and they said the new converter is bad. I suggested from the beginning that the muffler could be plugged. What are the odds of a new converter last 25 miles. Car drove ok.

My car has 48000 miles.
My car has an automatic transmission.

A: It is possible that the new catalytic conve...

It is possible that the new catalytic converter is bad. Sometimes, when the converter comes apart inside, it can get into the muffler and cause it to be clogged.

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・Save up to 30%

Get a quote

What others are asking

Q: The catalytic converters went out on my car.

Hi there. I suggest getting the RV6 Perfomace catalytic converters for your vehicle. Both sets are for your vehicle, however, the RV6 design has a larger pipe and will not restrict the engine during hard acceleration. Also, when replacing the...

Q: Car overheating after new water pump

Hello. It sounds like you may have a couple of issues going on with your vehicle. The overheating is the first concern. If it is randomly overheating then a block test needs to be done. This would indicate a leak...

Q: Check engine light illuminted

Depending on the code received, you could either have separate problem or the O2 sensor code returned due to a misdiagnosis. The codes for O2 sensors can be from the engine running lean, rich, misfiring, or several other reasons. However,...

Related articles

P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the P0052 code means This code is seen when the Engine Control Module (ECM) tries to control the...
P0240 OBD-II Trouble Code: Turbocharger Boost Sensor B Circuit Range/Performance
P0240 code definition Turbocharger Boost Sensor B Circuit Range/Performance What the P0240 code means P0240 is an OBD-II generic code triggered when the Engine Control Module (ECM) detects the intake boost...
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...