Question about 2001 Oldsmobile Alero

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My car had a check engine soon light come on. We put the code thing in and I got a code # P044 on my 2003 Alero. What does this mean?

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P044 HO2 Bank 1 sen 3 heater circuit high

Possible causes
1)
open or shorted to ground
2) poor electrical connection
3) fuse
4) bad sensor
5)
Engine Control Module maybe bad

Hope this helps Tim

Posted on Apr 04, 2011

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I have a car in the shop right now same thing - it is being caused by a misfire. Need a real technition to diagnose the problem (auto zone - advance auto can't diagnose the problem - only read the code)
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