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This is in my Sons T3, so I havent paid it much attention, but I thought it has been doing better than it is. Hes gotten a little better, so I decided to check out the Truck and maybe put a 27t Stock Motor in for him. Hes been running a AE 20Power Motor. I started checking it out, and noticed it was sluggish when you gun it. It looks pretty normal when you hit reverse, but forward seems about HALF as powerful. I started by trying to reprogram it, but nothing seems to work. Ive done it with the Normal/Reverse switch both ways, swapped the motor wires, ATV set MAX and MIN, tried to other motors (Traxxas Stinger, and a T4 Radon 17t), and any different combination of these things, even tried a different TX. It works as it "should", but with NO power in Forward. It wont spin the tires forward, but will in reverse.

Any ideas?

i don't know what kind of radio it is, or you tried, but make sure all of the atv/epa adjustments are set at max. set all of the trims at 0. make sure you put a motor in the car that you know for sure works fine. then, reset the esc. if it still doesn't work, it might be time for a new one.

make sure nothing in the driveline is bound up, too.