Rick's Free Auto Repair Advice

Posts Tagged: clean an oxygen sensor

Clean an oxygen sensor

Can you clean an oxygen sensor? Technically yes. But in reality no. The pores in the gas permeable electrodes allow oxygen ions to pass through, but they are so small that no cleaning solvent can possibly penetrate and clean them. In other words, if the pores are clogged, they stay clogged. Do a search for cleaning an oxygen sensor and you’ll see all kinds of advice on how to clean oxygen sensors. They’re all worthless. Those posts show you how to clean the external shield. Great, that gets you zip … Read More


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