Foxypoo
New member
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- Dec 31, 2025
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- Buick Ownership
- 2018 Buick Encore
Hello, my wife's Encore recently threw a lean code and when it idles, about every 10-15 seconds, the RPM will drop by about 100 and then stabilize a second later. Things I've looked in to have said maybe a bad IAC valve could be the culprit and purchased one from Autozone. Now that I've been looking, I cant even find the old one and cant confirm if this model even has one online. Please help me before I rip my hair out!
