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The code P1133 on a 2000 Chevrolet Corvette indicates a problem with the oxygen sensor, specifically that the sensor is detecting a lean air-fuel mixture in Bank 1. This could be caused by a faulty oxygen sensor, a vacuum leak, or issues with the fuel delivery system. It's important to diagnose the underlying issue to prevent potential engine damage and ensure optimal performance. Checking for any vacuum leaks and testing the oxygen sensor should be the first steps in addressing this code.

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2w ago

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