Folks,

I am looking for an XR4x4 / XR4i as a track toy, there is a 4x4 up for sale, cheap but it has the following problem, any ideas what it could be off the top of your head ?

"the problem was at first like a miss fire, but after changing the plugs,
ht leads and checking the dizzy, it was still there, when the car sits at
idle its fine but when you put the power down the power will drop off to
idle then come back, "

Cheers