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2010 Chevrolet Impala LS 4dr Sedan

2010 Chevrolet Impala
Trim Info:
Front Wheel Drive, 4 Door Sedan, Large
18 mpg city / 29 mpg hwy
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June 7, 2010, 11:20 am

Michael D

Question: Where are the three oxygen sensors located on this car?

The message center on my 2006 Chevy Impala
(3.9 motor) reads low engine power and low oil
pressure. The diagnostic showed it to be a bad
oxygen sensor (left side pre cat converter). The
auto parts store show that this car has two pre cat
converter sensors and one sensor after the cat
converter. We can only find one pre cat converter
sensor. Does anybody know where the other sensor is located? We found the after cat converter sensor. Does this car only have the two
sensors that we found?


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