To remove fuel injectors, first, ensure the engine is cool and disconnect the battery. Then, relieve the fuel pressure by removing the fuel pump fuse and starting the engine until it stalls. Next, disconnect the electrical connectors from each injector, remove the fuel rail bolts, and gently lift the rail along with the injectors from the engine. Carefully pull the injectors out of the rail, taking care not to damage the O-rings.
injectors 6.6 Chevy silverado
Remove the throttlebody from the vehicle and use a wrench to remove the stud. Seperate the throttle body and the injectors should slide out
by taking it out
Remove the fuel rail with injectors then separate the injectors. Check related link below:
To remove the fuel injectors from a 3.4 V6 Camaro, first, ensure the engine is cool and disconnect the negative battery terminal. Remove the intake manifold to access the injectors; this typically involves unbolting it and disconnecting any necessary hoses and electrical connections. Once exposed, carefully detach the fuel rail, which holds the injectors in place, and then remove the injectors by pulling them straight out from the rail. Always replace any O-rings to ensure a proper seal when reinstalling new injectors.
you remove injectors and take them to a shop that has the equipment and knowledge to overhaul them. this is a specialist area
How to change the injectors on a 1990 4.5 liter Cad. ElDorado engine?
You have to remove the whole top of the throttle body at one time.First remove the injector wires, then remove the injectors. There are2 O- rings under the injectors, don't loose them.Now remove the screews that hold the top plate on, then removethe top, DO NOT TAKE the screews out of the regulator. WHEN YOU BY THE NEWREGULATOR it will come as a unit. Just install injectors and gasket.
the fuel injectors are located on the top of the throttle body, to get at them take off the air filter assembly, once you remove that you will see the two injectors on the top.
there's four injectors you have two primary and two secondary , the primary injectors are on the top of engine very visible but the secondary you would have to remove upper intake plenum to get to them ...
Have to remove the fuel rail's to get to them.
Remove the upper intake.