How to Replace a Fuel Injector in a Plymouth Neon

Determine which fuel injector your Plymouth Neon will need. This depends not only on the make and model, but also the engine size. A Plymouth Neon can have a 2.0L 420A or 2.0L A588 engine.

Release the fuel system pressure and disconnect the negative battery cable with a socket wrench. Detach the fuel lines from the fuel rail with a socket wrench and unplug the fuel injector electrical connectors.

Remove the fuel rail mounting screws with a Phillips screwdriver and lift the fuel rail out of the engine compartment with the fuel injectors still attached. Release the retainers for the fuel injectors and remove the fuel injectors from the fuel rail. Discard the O-rings.

Lubricate the new O-rings with clean engine oil. Install the new fuel injectors into the fuel rail and secure their retaining clips. Use a torque wrench to tighten the fuel rail retaining bolts to between 15 and 19 foot pounds.

Plug in the fuel injector electrical connectors and connect the fuel lines to the fuel rail with a socket wrench. Connect the negative battery cable with a socket wrench.

Start the vehicle and check for fuel leaks.