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Home | Chevrolet | 1999 S-10 Pickup | O2 sensors trouble cod...
1999 Chevrolet S-10 Pickup
Problem for Chevrolet 1999 S-10 Pickup

O2 sensors trouble codes come back/after being replaced




By sebjr on Jul 03, 2009

" "
I have a similar problem. I replaced both O2 sensors after trouble codes advised they were bad/cleared codes then about 20 miles codes came back.However i did not replace the CAT.I was woundering if i have the front O2 sensor in the back and vise versa
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Solution #1

posted on Jul 03, 2009
Not Rated)

Molson02536
Molson02536

Rank: Guru  Chevrolet Cars  Expert
Rating: 94%, 1533 votes
What were the codes??? You should have gotten one code if it was only one O2 sensor that went bad. If all three O 2 sensor went bad you would have gotten three different codes. P0031 (bank1 sensor1) P0051 (bank2 sensor2) P0061 to P0064 O2 sensor after the catalytic. Hops this helps. 
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