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Discussion Starter · #1 ·
So on my way home from work on freeway I noticed my car was not wanting to speed up when I stepped on the gas it wouldn't go. Now it's not going at all maybe 2mph. It's not accelerating. Also when I'm stepping on the gas it's extremely hard not to stop. I don't know if I'm explaining this well. Any suggestions
 

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Discussion Starter · #6 ·
You have 2 symptoms that both say it is the catalytic converter. 1 is that it is bogging and won't go and 2 is that you have a hard brake pedal from no vacuum in the brake booster also caused by a restriction in the exhaust. Did you have the converter replaced at a dealership with a genuine Kia part as part of a recall?
It was replaced at dealership i purchased it was under warranty because they said it was throwing a code.
 

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Discussion Starter · #8 ·
On your first post here a few months ago you mentioned you had codes for “misfiring 1,2 and 4”

Did you ever get that taken care of? What was the issue? Like what was mentioned in that thread, 3 coils pooping themselves at the same time isn’t very common. But if you had misfires that were not fixed, that could ruin your new converter pretty quickly. Does your car burn oil too? That’s not good for the converter either.
I replaced coils and sparkplugs and it was fixed. No it's not burning oil
 

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Discussion Starter · #17 ·
Your exhaust is clogged, most likely by a catalytic converter where the "honeycombs" broke loose and turned into rocks and powder (they literally look like honeycombs inside). Go back to the dealer that you had it done at and see if they can warranty it out for you.
Can't do that I moved to Wisconsin I had that done in Texas. 🤦🏼‍♀️
I am not sure if I mentioned all this happened after I put gas in yesterday....
 

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Discussion Starter · #26 ·
Not sure if I updated but it was both of my catalytic converters. They were blowing chunks is the description they gave me. Replaced and back on the road. Did have a scare though check engine light came on throwing same code but hoping it was only because it was cold because it went right back off the next day.
 
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