chevy gmc jimmy blazer bogging out? engine dies after warmed up?

Joe

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ok i got a 91 gmc jimmy 4.3 liter v6 fuel injected carboretor. the carb is fed by injectors on top of the carb.

ok i start it and its fine but after five minutes it starts like bogging out and sputtering. i thought it might be the oxy censor on the tailpipe so i bought a new one but it didnt do crap. it kinda feels like it wants to pop and backfire but never does and it starts real easy so im sure its not the timing. its my most favorite truck ever so i don wanna get rid of it but id like to fix it.....kida like its missfiring after its been running for afew minutes...my neighbor said it could be that its not getting enough gas but the injectors are flowing fine, it actually smells like its getting to much and flooding it out. maybe thats why....i drove it to the store and every time i put it in reverse it almost dies even upon starting it, and at the store it did die but then it started back up right after and always does every time it dies but why does it die? sorry i cant give you more info but thats the only way i can explaine it. if i cant get it reselved now then i will post a video of it later on, on youtube showing what it does. but for now this is all i can tell you.

hope you can help me out
it doesnt have any leaks of any kind exept alil oil blowby
 
its 1 of the 4
bad carb
bad fuel filter
bad fuel pressure regulator (thats what it seems like to me)
bad cylenoids
 


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