For what it's worth, there is a way to access the instantaneous fuel flow rate inside the secret menu on this model. (mechanics.stackexchange.com)
Usually, this issue is caused by a faulty idle control valve or restriction of fuel flow through the throttle body. (yourmechanic.com)
I'd advise you to eat at least one daily if you're going to do eat garlic for acne, to give your gut bacteria a consistent stream of fuel flowing in. (supernaturalacnetreatment.com)