Q: Rattling when turned on or idiling. Not sure if it’s the catalytic converter?

asked by on

I need to know if U need to replace catalytic converter in Jeep- car rattles when turned on, and idiling. Check engine light is not on yet?

My car has 85000 miles.
My car has an automatic transmission.

The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
  1. Home
  2. Questions
  3. Rattling when turned on or idiling. Not sure if it’s the catalytic converter?

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: 1996 Jeep Grand Cherokee Limited Overheating

You need to check to make sure the cooling fan is coming on. If it is not then further diagnosis will need to be done by scanning the computer to see if fan control is turning on to see if...

Q: Jeep revving, hesitating, and jerking

The symptoms you describe on your Jeep Grand Cherokee lead me to believe that you may have a cam or crankshaft position sensor intermittently failing. If the computer does not know the location of the cam and crankshaft, then it...

Q: Solid-red circular light blinking

This light is signaling that there is a problem with your security system. The codes will need to be read with a scan tool. The codes that are found in the system will let a mechanic know what system needs...

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...
How to Avoid Back Pain in a Car
If you have back problems, sitting in a car for an extended period of time can be excruciating. Even without back problems, you could experience discomfort and soreness from...
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...