Question about 2003 Saturn ION
My check engine light came on in my 2003 Saturn Ion-1 and indicated a problem with my oxygen sensor. Where is the oxygen sensor located and is there more than 1? If so, how do I determine which is the bad one?
One is front of the cat, and one after the cat of the exhaust.
The OBD Scanner should tell you which bank is producing the error.
Bank one is the front one.
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Posted on Feb 21, 2009
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Posted on Jan 02, 2017
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