Engine

Asked by GuruSZML1 May 14, 2019 at 01:25 AM about the 2004 Buick LeSabre Custom Sedan FWD

Question type: Maintenance & Repair

Rough idle when stopped in drive pressing the
brake Only when pressing the brake Completely
stopped no misfire What could it be? It gets worse
when you turn the AC on.

3 Answers

GuruSZML1 answered 5 years ago

When I put a rock behind the tire and then stick it in gear holding the brake I'll let my foot off the brake and it start idling fine but when i press the brake it starts idling too low.

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