93 toy truck 4x4 22re 150,000 miles. Won`t start when its cold gice it a shot of carb cleaner in intake fires right up been driving it that way for months but now after you drive it about 10 minutes it wants to stall out loads up and shut off let it sit for about 10 minutes runs but rough. im thinking cold start thermo switch for starting but would that make it stall out. can you bt pass switch. any help would be great... only drive it about 1000 miles a year ran strong before problem havent replaced anything in years ...