Thread: Code 44 O2 sensor, or bad CAT?
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Old 06-14-2005, 03:54 PM
dreamweaverzink dreamweaverzink is offline
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Code 44 O2 sensor, or bad CAT?
I just finished some repairs to revive a non-running 94 S-10 Blazer (Vortec). I drove it around the neighborhood for a couple of days with no problems. Yesterday I had a muffler and exhaust pipe installed. Now it shows a code 44. It was running rough after replacing the exhaust parts and I wonder; is it the O2 sensor, or is this just a symptom from the extra pressure and possibly just a bad CAT? If it is the sensor, could anyone tell me which one is the 44? there is also another O2 sensor(code 45) and I want to make sure I pull the right one if this is the problem. Thanks!
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