changed the catalytic converter and now my check engine light stays on
Nov 8, 2012 at 11:35 AM
2005 Mercury Marquis Changed Catalytic Converter Now Check Engine Light Stays On
PUNCHINELLA123
- MEMBER
- 4 POSTS
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If you haven't reset it, try that. If you did, check for new codes. Something may be wrong with an O2 sensor.
Nov 8, 2012 at 11:38 AM
Are you talking about resetting the computer?? Is this done by disconecting the battery cable ???
Nov 9, 2012 at 6:11 AM
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