How do you replace fuel injectors?
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Senior Member
Joined: Dec 2001
Posts: 162
Likes: 0
From: North Idaho/Eastern WA
How do you replace fuel injectors?
What is the procedure for removing and replacing fuel injectors?
My SCed '97 4.6L is about to enjoy a (hopefully) significant boost in performance when I receive the 90mm MAF, 42# injectors and custom tuned XCal2 from Troyer in a couple days. I just don't have a clue how to change out the injectors.
My SCed '97 4.6L is about to enjoy a (hopefully) significant boost in performance when I receive the 90mm MAF, 42# injectors and custom tuned XCal2 from Troyer in a couple days. I just don't have a clue how to change out the injectors.
Technical Article Contributor
Joined: Oct 2005
Posts: 25,641
Likes: 19
From: MI
Not much to really - disconnect the battery , take the TB cover off, take off the intake,disconnect the electrical connectors unbolt the the fuel rail, bleed the pressure via schrader valve on the rail, lay some rags/paper towel around the injectors to catch residual fuel - pull the rail.
Pull the injectors that stick in the rail out , just pull them , there held in with and o-ring.
Now when you pull the injectors , make sure you have all the hats - sometimes the hats will come off and stick in the manifold.
Revers order for install.
Good Luck
Pull the injectors that stick in the rail out , just pull them , there held in with and o-ring.
Now when you pull the injectors , make sure you have all the hats - sometimes the hats will come off and stick in the manifold.
Revers order for install.
Good Luck
