Maximize Fuel Efficiency Replace Worn O2 Sensors and Optimize Engine Performance

It has to be a wide-band sensor and those are more expensive. Stick with OEM or equivalent. Don't buy from the dealer. Replacing it yourself is ... It's really simple. Just two studs in the exhaust piping hold them in. Just take off the two nuts and unplug the wiring connector. Rust/corrosion will be the difference between a 5 minute and 5 hour job. If it appears frozen don't force it and instead douse the threads in ... The primary o2 sensor is used to monitor air/fuel ratio and the ECU adjust to have the engine runs optimally. The secondary o2 sensor is there to just monitor ... No, you are looking at the oil pressure sending unit/switch/sensor which screws into the top side of the oil filter adapter. The O2 sensor in ... Also known as air-fuel ratio sensors and oxygen sensors, the O2 sensor in your vehicle measures your exhaust's oxygen levels and alerts the ... If you choose to have a professional replace your car's oxygen sensor, you can usually expect to pay somewhere between $200 and $500 to get the ... Is a mystery Check Engine light driving you nuts? It could be a funky Oxygen (O2) sensor. Associate auto editor Ben Wojdyla puts his trusty ... When Should You Replace Your O2 Sensor? ... Oxygen sensors are not among the maintenance items that need to be replaced regularly, such as oil and ... This is really the easiest way to gain access to the upstream O2 sensor. Removing the wiper tray provides the clearance and headroom to get at, and tools on, ...