1996 Chevrolet Astro "o2 sensor" Questions

...o2 sensor 1 and o2 sensor 2 or the front o2 sensor is lazy or the front catyletic converter is not working basicaly code is only triggerd when engine is hot and the front o2 sensor and the rear o2 ...

...o2 sensor heater circuit fault this could be the heater in the o2 sensor itself check for continuity or it could be a short in the wiring harness. Clear the code and see if it comes back! If you have ...

P 0155 B O2 sensor Well code 155 is for a problem with the heater circuit on the O2 sensor bank two sensor one. The problem could be with the sensor or the fuse that powers the heater in the sensor.

...injected, then its may likely the o2 sensor, I'm having the same issue with my 93 astro. This could be quite a few things, I would start with checking temperature sensor/o2 sensor and fuel

...which is a HO2S Bank 2 Sensor 1 Heater Resistance, Meaning your #2 O2 Sensor is starting to fail, go to Auto Zone and they will get you a price , a part, and give you the location for replacing

...O2 sensor reading should be fairly steady. Typically the P0420 code triggers the Check Engine Light if the readings of the two sensors are similar. This is indicative of (among other things) a ...

...O2 sensor error code. Before replacing the O2 sensor for $100-$150, try using fuel injector cleaner in a new full tank of gas twice all the way to empty. Clear the code, if it hasn't cleared itself ...

...o2 sensor. did spark plugs and wires, iac valve, distributor cap,pcvalve, fuel filter, mass air flow sensor, thermostat, heating cooling sensor, cleaned o2 sensors and egr valve. all vacuum lines are ...

do i really need a special sensor tool to remove the o2 sensor? The tool makes it easier to get the sensor out. You can rent them from any Autozone, Advance or any good parts store CHEAP.

...to come up? P0155 is an O2 sensor heater circuit problem Bank 2 sensor 1. Replace the O2 sensor closest to the engine on the passenger side. The heaters are built into the sensor. No repairing