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Changed the catalytic converter and now my check.
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
JACOBANDNICKOLAS
MECHANIC
109,867 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
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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