brandonl2000
New member
your cat could also be getting clogged.
rotten egg smell is clogged cat for sure.
it can cause misfires, which is what you are feeling when it wont go past 4,000 rpms, the cel light should be flashing when you do this, flashing light means stop doing what your doing.
if you can get your car in the air, ramps, or jacks, hit the cat when its cold, listen for stuff rattling around inside it.if so its shot..
I think you have found your problem.its probably the cat, if it smells like rotten eggs, like stated before.
When the car is cold jack it up and tap on the cat. If it rattles, its shot.
and no it doesnt have to be from all rpm's for it to be the cat, just when it flows enough to cause a problem
Replace your cat