I had the same problem with mine and it ended up being the crappy glow igniter that comes with the truck. I bought a rechargeable [link=http://www2.towerhobbies.com/cgi-bin/wti0001p?&I=LXLN91&P=7]Glo-Starter [/link] and it was like night and day. This thing will truly heat up the plug, and I'm sure that will help your starting problems.