Oxygen Sensor Replacement

NewO2sensors

I’ve had some issues with the idling on the Big White Bus. Once she is warmed up when I come to a stop sign the idle drops to something like 300 rpms. And eventually she drops lower and finally dies.

I read online that the O2 sensors could be the culprit. I couldn’t remember the last time replaced the O2 sensors. I am not getting Code 43 or 44. As I am not driving her daily I don’t have a good idea what the gas mileage had dropped to. So I decided I’d spend the money and replace. […]

Oxygen Sensor Replacement

Its been a while since I installed new oxygen sensors. By my reckoning I installed them about five years ago. I didn’t take a mileage reading then but I can guess it was at least 25,000 miles ago. Oxygen sensors have a life cycle of about 25,000 to 50,000 miles.

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New Oxygen Sensor

If you notice your gas mileage drop by at least 2 mpg you can guess it is your oxygen sensors. They don’t always fail and give you a code 43 or 44. Its part of your regular maintenance like plugs and wires. […]