Engine spudders when changing gears - 2002 Ford Mustang

The mechanic should check on the gears form N, R, P, 1st gear, second, third gear of the transmission . you also have to check the oil seals of the gears of the transmission.Don't forget to check also the shift level and the shift fork of the transmission.check the said gears ,the shift fork ,the shift level and the oil seals if they are worn out or destroyed you should replace them.Most of the time if the engine spudders when changing in gears it means that there is a problem in the oil seals of the transmission gears . Don't forget to check also the transmission bearing to be sure. Because it is spuddering .