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Changed the catalytic converter and now my check.

Tiny
PUNCHINELLA123
  • MEMBER
  • 2005 MERCURY MARQUIS
  • 40,000 MILES
Changed the catalytic converter and now my check engine light stays on
Thursday, November 8th, 2012 AT 7:35 PM

2 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,740 POSTS
If you haven't reset it, try that. If you did, check for new codes. Something may be wrong with an O2 sensor.
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Thursday, November 8th, 2012 AT 7:38 PM
Tiny
PUNCHINELLA123
  • MEMBER
  • 4 POSTS
Are you talking about resetting the computer? Is this done by disconecting the battery cable?
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Friday, November 9th, 2012 AT 2:11 PM

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