Catalytic converter problems
Catalytic converter: Equipment in the exhaust system that transforms the contaminant gases radiated by the car.
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Rattling noise
Ford Expedition 2018 3.5 eco boost 135000 miles
My expedition makes a very loud rattling noise when I turn it on. And it makes that same noise when I accelerate faster. It comes and goes at normal speeds. I’ve been told it could be the catalytic converter. Just curious to see if anyone else has had the same issue.
1 reply
CO
I would think a shield, I only get when starts
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