Oxygen sensors detect the amount of oxygen in the exhaust. Oxygen sensors usually don’t have a replacement schedule. A bad oxygen sensor can be diagnosed with a code reader or scan tool. A car’s ...
Last month in "Crying Fouled," we showed how the factory catalytic converter in our '95 Firebird Firehawk was robbing us of driveability. It had become so contaminated from unspent fuel that its ...
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