SEiZe Posted February 12, 2003 Report Share Posted February 12, 2003 Seems that my O2 Sensor - Bank 1 is bad, again. I replaced both of them last year in the car right after I got a tune-up. This year I had the head gasket replaced. Anyone know if you are suppose to replace the O2 sensors in that close time period? Quote Link to comment Share on other sites More sharing options...
Redfox340 Posted February 13, 2003 Report Share Posted February 13, 2003 That's doesn't seem right at all. I've own my Cutlass for just over two years now and haven't had to replace it yet... and still passing emissions! When you install the new ones, you might want to check the fuel / air mixture through the ECM or install an Autometer A/F electronic gauge to keep an eye on things. It's either the heat or a incorrect mixture that's faultin' up the sensor. Are the old ones caked in carbon build-up? - RedFox340 Quote Link to comment Share on other sites More sharing options...
SEiZe Posted February 13, 2003 Author Report Share Posted February 13, 2003 no they are clean. I think that they were either cheap or faulty. I paid $18 for Bank 1 and $20 for Bank 2 last year. I just bought a new Bank 1 sensor today for $50 at Napa. Quote Link to comment Share on other sites More sharing options...
hambone Posted February 13, 2003 Report Share Posted February 13, 2003 r u sure the o2 sensor is bad ? i have had code readings indicating this but when i brought it in to the dealer they informed me that these are 'generic codes' and could indicate problems in 'other areas'... Quote Link to comment Share on other sites More sharing options...
SEiZe Posted February 13, 2003 Author Report Share Posted February 13, 2003 Haven't had a chance to replace Bank 1 sensor yet, when I do get around to it, I'll inform you. Quote Link to comment Share on other sites More sharing options...
SEiZe Posted February 18, 2003 Author Report Share Posted February 18, 2003 OK, just got done changing the O2 Sensor. It did not look bad at all. Code still showed after I reset the system (taking battery off for 1 hour). Took it to AutoZone and read the code. Code is "O2 Sensor read slow, Bank 1, Sensor 1". Cleared all codes from the OBII and drove it for about 2 hours (went shopping). Code has not appeared. Quote Link to comment Share on other sites More sharing options...
SEiZe Posted February 18, 2003 Author Report Share Posted February 18, 2003 Anyone know what the code "O2 Sensor read slow, Bank 1, Sensor 1" means? Quote Link to comment Share on other sites More sharing options...
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