- Loose muffler.
- Leaking exhaust pipe.
- Broken exhaust mount.
- Damaged gasket.
- Hole or crack in muffler or exhaust pipe.
- Worn or misaligned exhaust pipe hangers.
- Defective catalytic converter.
How to Troubleshoot
Here are some things you can do to troubleshoot the problem:
1. Check the exhaust system for any loose parts or leaks. Look for any holes or cracks in the muffler or exhaust pipe.
2. Check the exhaust pipe hangers and make sure they are in good condition and properly aligned.
3. If you suspect that the catalytic converter is defective, you can have it tested by a qualified mechanic.
How to Fix
Once you have identified the problem, you can fix it by:
- Tightening any loose bolts or nuts.
- Replacing any leaking gaskets.
- Welding any holes or cracks in the muffler or exhaust pipe.
- Replacing any worn or misaligned exhaust pipe hangers.
- Replacing the defective catalytic converter.
When to Call a Professional
If you are unable to identify or fix the problem, you should take your vehicle to a qualified mechanic for diagnosis and repair.