How mamy oxygen sensors does an 03 eclipse have?

The 2003 Mitsubishi Eclipse typically has four oxygen sensors: two upstream (pre-catalytic converter) and two downstream (post-catalytic converter). The upstream sensors monitor the oxygen content in the exhaust gases to adjust the air-fuel mixture, while the downstream sensors check the efficiency of the catalytic converter. However, the exact number may vary depending on the engine type and model configuration. Always refer to the specific vehicle’s service manual for accurate information.