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How do I know if I need to replace my Buick Encore’s catalytic converter?
I’m trying to learn more about proper car maintenance and just recently learned what a catalytic converter is, but I’d like to know the symptoms of catalytic converter failure. How do I know if I need to replace my Buick Encore’s catalytic converter?
Andrew Biro · Updated on
Reviewed by Shannon Martin, Licensed Insurance Agent.
This is a great question! You may need to replace your
Buick Encore
’s catalytic converter if you start to experience any—or multiple—of the following:- Poor fuel economy
- Rough running or backfiring
- Illuminated or flashing Check Engine Light
- Little to no engine power
- Unusual exhaust smell
Because some of these symptoms are shared with other, more common issues, it’s always a good idea to scan your engine computer for trouble codes whenever the Check Engine Light comes on to properly diagnose the issue.
Generally speaking, however, you’ll know you need to replace your Buick Encore’s catalytic converter if your engine starts to lose performance or stall out, accompanied by a sulfuric or rotten-egg smell from your exhaust.
Replacing a catalytic converter can be a costly expense, but your Buick’s car insurance doesn’t have to be—licensed
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