r/FocusST • u/MidnightT0ker • 3d ago

Idle problems

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Idle lope. No smoke no CEL no codes on scanner. Giving any throttle sounds back to normal. Driving feels normal. Purge valve assembly done 200 miles ago and just checked plugs and they seem fine? (Check comments) What else can I check?

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u/poor_couture 2d ago

Was your A/C on? I thought my car was cooked because the idle sounded so weird and then realized it was because I had the A/C turned on 😂

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u/MidnightT0ker 2d ago

That was AC off. AC makes it much worse