why does blazer turn off when temp reaches normal 1/2 on gauge on 1994 Chevrolet Blazer

i have replaced trans,flt wheel,fuel pump n filter,starter, alternator,fuel inj-hoses (spider),radiator,water pump,2-freeze plugs,2- bushings,ign-module,spark plugs n wires n filters... truck runs great in drive way but when i drive n temp reaches normal level it starts bogging n when i give it more gas it turns off n will not start for 4 to 5 hrs , sometimes it will start right up n sometimes i need to get a jump . I have taken it to 2 mach shops n 1 back yard mach n the Chev dealer they ran diag on it said it was ign-mod replaced it n it still doing the same ...does any one know what it could be ???????????????

by in Los Angeles, CA on January 18, 2013
1 answer
ANSWER by on January 18, 2013
already answered with no response from you 2 times
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