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What are the symptoms of a faulty motorcycle oxygen sensor?

1 Answers

BrynleeLynn

07/30/25 6:35am

Motorcycle oxygen sensor failure symptoms include: decreased engine power and increased fuel consumption. The oxygen sensor is a crucial component that detects oxygen levels in the exhaust and sends signals to the ECU, allowing it to adjust the air-fuel ratio. Low-end motorcycles typically don't have oxygen sensors; only models equipped with fuel-injected engines feature them. Oxygen sensors are installed both before and after the catalytic converter. The front sensor (pre-cat) primarily measures exhaust oxygen content, while the rear sensor (post-cat) monitors whether the catalytic converter is functioning properly.

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How to Handle a Driver's License Expired for 6 Months?

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