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    Fuel rail pressure to high

    Check the fuel rail pressure relief valve located in the front of the drivers side fuel rail. There is a little screen on the end of it and it does not take much to plug it up and piss off the truck. Most the time you can clean them and re-install, sometimes they have to be replaced.....that's...
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    1972 K5 Blazer LBZ

    Brett, That thing looks awesome! Always loved those old Blazer's