1999 Dodge Neon O2 sensor

1999 DODGE NEON
134,726 MILES • 4 CYL • FWD • AUTOMATIC
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ROLAN
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  • 1 POST
OBD code PO140 > bank 1 sensor 2 < is its location after cat ?
Aug 18, 2010 at 6:00 PM
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BLUELIGHTNIN6
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  • 16,542 POSTS
sensor 2 indicates downstream 02 sensor which is rear of the cat. converter while sensor 1 (upstream ) is on the exhaust manifold.
Aug 18, 2010 at 6:05 PM