2003 Chevy Impala knocking noise

Tiny
MBURTON
  • MEMBER
  • 2003 CHEVROLET IMPALA
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 200,000 MILES
I just changed my o2 sensor and the next day my car starts making a knocking sound and doesnt drive well at all. But before I changed the sensor it was driving fine! Help
Tuesday, May 5th, 2009 AT 8:59 PM

1 Reply

Tiny
ZACKMAN
  • MECHANIC
  • 4,202 POSTS
What prompted the replacement? Did you get a code? If so, what is the code number? Which sensor was replaced? You have 4, be specific. Part number of the part would be helpful.
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Sunday, May 10th, 2009 AT 7:12 PM

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