The O2 sensor is placed on the exhaust right before the cat. There is only one. You can find the connector that goes to the ECU right behind the bottom side panel that covers the frame, among other ...

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The Porsche 993 has its fair share of components that can fail and result in loss of engine power. Luckily, many of these components can easily be inspected to determine if they are the cause of this ...

With fuel prices rising, the need for accurate air/fuel mixture monitoring is more important than ever. The engine computer needs to know what the fuel mixture is with a high degree of precision so it ...