How to Lean the Mixture During Taxi to Prevent Plug FoulingMay 2018 Share Share Link Close share Copy link Here's quick video on how to lean the mixture during taxi to prevent plug fouling. Back to blog 2 comments Thank you Greeting from Spain. I teach that exact method for leaning. Glad you mentioned the POH. If I recall correctly, don’t have the POH in front of me, the 150M that I fly has “Mixture Rich” in the Takeoff checklist. Following the checklist religiously will solve the problem. Thanks. Leave a comment Name * Email * Comment * Please note, comments need to be approved before they are published.