Chrysler 68027340AA Injector-Fuel

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Replace it.

Remove the fuel rail assembly and place the fuel rail assembly on a clean work surface so the fuel injectors are accessible. Remove the injector lock ring from the fuel rail and injector by prying it off with a small screwdriver. Pull the injector straight out of the receiver cup. Inspect the injector O-rings for damage. Replace them with new ones if necessary (Push the new O-ring over the tip of the injector and into the groove Insert a small screwdriver under the 0-ring and pry it off - be careful not to damage the injector tip). Prior to installation, lubricate the O-rings with a light film of clean engine oil. Push the top of the injector straight into the fuel rail receiver cup, taking care not to damage the O-ring. Slide the open end of the injector clip into the top slot of the injector, onto the receiver cup ridge and into the side slots of the clip. Install the fuel rail.

On V6 models, do not separate the left and right fuel rails, as both sides are serviced together. Remove the injectors from the fuel rail, discard the O-rings, and replace them with new ones coated in clean engine oil. Clean the injector bores on the intake manifold and insert the injectors into their corresponding bores in the fuel rail. Securely tighten the fuel rail mounting nuts/bolts, connect the fuel line(s), and ensure they are properly seated. Connect the electrical connectors to each injector, following numbered tags if present.

Remove the air inlet bonnets and the throttle body. Unplug the TPS connector and remove the mounting screws. Take out the TPS from the throttle shaft lever and reinstall it, ensuring the TPS arm is underneath the lever. Have the TPS adjusted by a dealer service department.