Fuel injector replacement

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The O-rings are installed at each end of the fuel injector. Since you have 4 injectors you should have 8 O-rings. Lubricate the new O-rings with clean engine oil before installing onto the injectors. An exploded diagram of a fuel injector is below..

(((( The injector (3) is held to the rail by a retaining clip (2). There are 2 O-rings, one at the top and one at the bottom (1), and a back-up O-ring (4) ))))

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