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Ford e350 underpowered Bogging while shifting

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Old Sep 29, 2025 | 10:35 PM
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Ford e350 underpowered Bogging while shifting

Hello guys my 2008 ford e350 has 285k on it and when hitting gas struggling to shift like way underpowered don't know if it transmission or possibly a shop told me a plugged catalytic converter. I looked looks like there's 3 or 4 on the van with the 5.4. How can I check to see if their bad or not. And how much is a average cost to replace one or all of them. Also would it be cheaper if that's the problem cut them of and have a muffler shop just weld exhaust pipe to the muffler? Thanks any help is appreciated
 
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Old Sep 29, 2025 | 11:14 PM
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Google "catalytic converter vacuum test". A plugged exhaust will show certain signs.
 
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