Australian Car Repair Issues? Ask an Auto Mechanic for Answers ASAP
the ESP will help to a degree as its there to help control a skid on the road, and it acts in a few stages as the 1st course of action is the ABS is used to brake the spinning wheel, so in thick mud the torque will be transferred to the non- spinning wheel and it will help
if the system thinks the wheel spin is excessive ( it will trigger at a certain front to rear differential speed ) then it starts to reduce the throttle / engine power and obviously this won't help
so installing a mechanical locking diff will certainly help off road
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