Questions & Answers for: Mitsubishi symptoms if o2 sensor has failed

o2 sensor, o2 heater, EGR sys NOT READY Hi,I have 1998 mitsubishi Diamante. Emission test failed since I have all my monitors Not Ready. O2 sensor, O2 heater, EGR sys NOT READY. Battery has been reset

...O2 sensor, CAT converter, and idle control system malfunction....whatever those mean. I took it to a mechanic and he reset the conputer and turned off the light with this gadget thingy that he said ...

...O2 sensor that indicates a an issue with the Catalytic Converter. Replace the O2 sensor to the Catalytic Converter "the one after Converter" It's common for the sensor to fail and you can pick one up ...

...O2 sensor. When an O2 senor fails the ECU will run the engine rich (better to to this then run lean and burn up valves, in running rich the gas mileage goes bad quick) This condition sounds familiar ...

...O2 sensor Wiring or connector to the sensor frayed / broken Blown heater circuit fuse Holes in the exhaust system PCM failureThe most common fix is to replace the oxygen sensor (O2 sensor). But that ...

...O2 Sensor codes. There can be "Lean O2 Sensor" codes, "Rich O2 Sensor" codes, "O2 Sensor Slow Response" codes, or "O2sensor Heater Circuit" codes. The specific code that is being set changes the way ...

...symptoms such as a rough/hard idle when cold. Causes: A code P0431 may mean that one or more of the following has happened: The catalytic converter is no longer functioning properly An oxygen sensor ...

...O2 SENCER WAS BAD. WOULD THAT MAKE IT RUN BAD Not to cause back firing,spudder It will effect the performance some, as it reports exhaust gases & that is used to adjust injector timing Common ...

...O2 Sensor Circuit No Activity Detected P0171: System Too Lean The O2 (oxigen) sensor has failed and because of that the ECM can't control the engine properly so the mixture is too lean. Replace ...

...O2 sensor 1 bank one, (sensor before the catalytic converter) and O2 sensor 2 bank one (located after the converter).On the front of the engine, going down you have two as well for there is a ...