Engine MTD 13AN772G729

BlazNT

Lawn Pro

Joined

Apr 26, 2012

Threads

28

Messages

6,973

• Apr 5, 2016 / MTD 13AN772G729

• #11

A welch plug plugs a whole in the carb. Could air be getting in through that whole? Yes it could. Chances are it was just covering an adjustment screw you are not supposed to adjust. (well at least in the EPA's eyes)

 

BlazNT

Lawn Pro

Joined

Apr 26, 2012

Threads

28

Messages

6,973

• Apr 5, 2016 / MTD 13AN772G729

• #12

Clean the carb again.
Dirty carb
Down and dirty: youtube.com/watch?v=VBL-BUj0c6E
More technical: youtube.com/watch?v=nAk_WDt3AD8