Automotive Troubleshooting : How to Know When to Change an O2 Sensor

9 Responses to “Automotive Troubleshooting : How to Know When to Change an O2 Sensor”

1. jesselopez07 says on: 28 March 2010 at 7:23 pm

   prolly the tps
2. jdoggydog567 says on: 28 March 2010 at 8:05 pm

   i have cold air intake on it so wheres the maf sensor? its a 92 integra with a b18b1 engine
3. number1hyperbusa says on: 28 March 2010 at 8:41 pm

   maybe itss you maf SENSOR (MASS AIR FLOW) MAYBE YOU NEED TO CHANGE IT
4. jdoggydog567 says on: 28 March 2010 at 9:09 pm

   what will cause my car to just rev up when its in park it will idel like usual and without me touching the pedal it just kinda revs up like im pressing the pedal every few seconds.
5. itchyscratcher says on: 28 March 2010 at 9:16 pm

   can your converter/o2 sensor be carbon’ed up and some fuel injector might clean it out?
6. Santanavatar says on: 28 March 2010 at 10:07 pm

   the oxygen sensor sends information to the ECU or ECM (the engine’s computer) and it commands the engine to allow more/less air to the intake manifold and also commands the fuel Injection to spray more/less gasoline to the cylinder. If you replace the oxygen sensor and the problem persists it is obiously the Catalytic converter.
7. KYLEFUCKINGMILLER says on: 28 March 2010 at 10:15 pm

   then i could be that your o2 sensor was reading your catalytic converter was bad not the o2 sensor being bad itself
8. rostine1980 says on: 28 March 2010 at 10:38 pm

   im getting the code p0113 on my 03 impala and thats what its saying i need 2 replace…i replaced it and its still running sluggish..what could it b?
9. swordantar says on: 28 March 2010 at 11:27 pm

   Thanks for the info. really helpful!

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