Maximize Fuel Economy Why and How to Change O2 Sensors Regularly

$300 is about right for a O2 sensor change on most cars. It's certainly cheaper if you do it yourself but most newer cars have a rear and front O2 sensor. Double check those vac lines, or get me a pic of which ones they were. It culd be that your ECu is re-learning fuel trims after having tehm way ... O2 sensor is an emission system part. If their contention is that the sensor is good but can't be safely removed and replaced without damage ... Step 1: Make sure the car is in gear and e-brake is up. Jack up the front of the car. Step 2: Locate your cat and you will see a sensor sticking ... The math comes out to about 30 to 31. O2 sensors will help. Assuming that your spark plugs and other maintenance are all done using the correct parts. The Toyota AFR sensors go bad somewhere between 120K - 200K+ miles. There will be mostly poor fuel economy coupled with a correlated degradation in proper fuel ... Some opinions are that they should be changed every 50K miles or so, others say that as long as they're cycling as they should, leave them alone ... 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 ... 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. Nearly $700 to replace a single sensor is absurd. The sensor before your catalytic converter can be accessed without even lifting the car, just ...