Before an injector cleaning is performed, it is recommended that the
following items be cleaned with Toyota Throttle Plate Cleaner (P/N
00289-1TP00): Idle air control device Throttle plate (both sides if
possible) Throttle body B. Bring the engine to operating temperature. C.
Disconnect the fuel pump electrical connector. D. Start the engine.
After the engine has stalled, turn the ignition switch OFF. E. Disable
the fuel return line by blocking the line or installing the appropriate
plug in the return outlet, if applicable. NOTE: Do NOT clamp plastic
lines. F. Install the device adapter to the fuel line and then secure
the swivel fitting on the end of the hose. G. Make sure the ball valve
on the device is turned OFF (valve handle is crosswise to device). Screw
the can of EFI cleaner (P/N 00289-1PF14) onto the device can adapter.
H. Open the valve on the device, start the vehicle, and allow it to run
until the engine stalls. I. Turn the ball valve OFF and remove the
empty can. J. Place a shop towel over the can adapter and slowly open
the ball valve to depressurize the system. K. Remove supply and return
line adapters, reconnect vehicle fuel supply and return lines (replacing
any fuel line gaskets and seals), and connect the fuel pump electrical
connector. L. Before starting the vehicle, pressurize the fuel system
and check for leaks. Run the engine for 4 – 5 minutes, and then snap the
throttle several times to dislodge any carbon that may remain in the
system.
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