Dont lose those red retainer clips for the injectors.
Clean away the dirt and crap from where the injectors meet the holes in the intake. You dont want crap falling in the hole.
Pull firmly and evenly across the fuel rail when removing it.
Dont forget to oil the o rings up on the injectors when you install them
torque fuel rail bolts to 250 in/lbs
Use wd-40 or whatever on heat shield bolts...enjoy removing them

Be aware the the bolts hold the lower and upper heat shield using the same bolts
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