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Alright guys so my shitbox has started bogging every once in a while, I sometimes lose power during acceleration if I keep a steady throttle. Keep in mind it only happens every once in a while, maybe once during a 20 minute drive or twice during a 2 hour drive, it bogs for about a minute unless I floor it and then it seems to stop after that. My engine light is on for a cat efficiency problem and I noticed a crack right down the centre of my exhaust manifold. I recently changed my fuel filter, oil, and I put some of that seafoam **** into my oil and directly into my air intake to maybe clear out my exhaust. Is there any other possible reason to the problem other than my exhaust manifold/cat converter? Anyone else have the same problem before?

 
Rep Power: 174

Well, if there is a crack in the exhaust manifold, that could be causing the O2 sensors to be reading incorrectly which could lead to fuel issues which could lead to bogging. Is the cat code the only one you are getting?

 
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The last time I checked for codes was a few months ago, before I took the heat shield and noticed the crack, I'll have to check again to see if there's more codes, I messaged a guy on Facebook who's got an exhaust manifold he'll sell for $40 so I'm thinking I'll just replace it and see what happens

 
Rep Power: 174

Probably a good bet, especially if the mani and the cat are separate units.

 
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The manifold and cat is one piece, kind of a pain in the *** but what can you do lol