Cold Start Injector: Service and Repair

Spray Bar Assembly:

1. Remove flexible fuel throttle body.
2. Remove two bolts retaining Cold Start Injector (CSI) spray bar assembly to throttle body.
3. Remove CSI and gasket from throttle body.
4. Using a 1/4 inch allen wrench, remove plug located on throttle body opposite CSI mounting surface.
CAUTION: Use care when installing spray bar to throttle body. DO NOT FORCE. Damage to CSI and spray bar assembly will occur.
5. Install CSI and spray bar assembly with new gasket to throttle body, with end of spray bar assembly resting in support grommet located behind plug in throttle body casting.
6. Align CSI to throttle body and install retainer bolts. Tighten bolts to 8-11 Nm (70-97 lb in).
7. Verify end of spray bar is resting in support grommet. If not, repeat Steps 1 through 6.
8. Apply pipe sealant with Teflon� D8AZ-19544-A (ESG-M4G 194-A) or equivalent in a clockwise direction to plug. Install plug in throttle body. Tighten plug to 10-15 Nm (7-11 lb ft).
9. Reinstall throttle body. Inspect for leaks with engine running.