Can you remove an O2 sensor with a standard wrench? Learn when you need a special socket, what's in a kit, and how thread ...

Your engine needs a steady stream of clean air to function properly, and it's the job of the mass air flow (MAF) sensor to measure and regulate the amount of clean air entering the intake. The engine ...

Beyond the Sensor Clean function ... Trusted camera shop. The sensor is fragile and expensive, $60 for a professional cleaning is far cheaper than a new T3i. You can also use compressed air to blow ...