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The oxygen sensor monitors the oxygen content of the exhaust gases and sends feedback to the ECM, which uses this information to fine-tune the fuel mixture for efficient combustion and low emissions. Signs of failure include: a check engine light with an O2 sensor code, poor fuel economy, a rough idle, or a vehicle that fails an emissions test. Replace a worn oxygen sensor to restore proper closed-loop fuel control and fuel efficiency.
Genuine OE parts are manufactured by or for the original vehicle manufacturer to exact factory specifications. These parts represent the ultimate in fit, quality, and reliability, ensuring your vehicle performs exactly as designed.
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