code p0420
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2017 Buick Encore P0420 Code
Hey Y'all, Skimmed the threads I only seen like one other person having the same issue with their 2017 Buick Encore. The check engine light keeps popping up. Last year I noticed the car stalling when idle, and struggling to start when I would refuel. Took it to a GMC dealership and they...- neecee890
- Thread
- check engine light code p0420 engine p0420
- Replies: 1
- Forum: Buick Encore Drivetrain
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