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i just got done changing my intake manifold gasket cause it was leaking really bad. when i started the truck all my fuel injectors leaked with the new o-rings i used so i pulled the injectors and noticed the new ones were bigger from the center. went to oreillys and switched them for FEL-PRO IMPROVED DESIGN. again i had a leak and after messing with the orings a while longer i figued out it was the fuel injector itself. So BEWARE that once removed injectors may fail and a chemical reaction may ensue upon starting you RBV. i was fortunate my truck didnt burned to a crisp. oe fuel injectors are two piece design but napa sells an updated 1 piece design that cost $45 for a rebuilt and 60 for new. just some FYI guys doing the gasket change.
