Exhaust & Emissions
Catalytic converter, oxygen sensor, muffler and emissions repair costs.
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Oxygen Sensor Replacement Cost in 2026
Replacing an oxygen sensor usually costs $200 to $560 at a shop, about $400 on average. See upstream vs downstream prices, costs…
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Catalytic Converter Replacement Cost in 2026
Most catalytic converter replacements cost $700 to $3,500, with OEM jobs averaging about $2,200. See prices by vehicle, CARB vs EPA converters,…