Toyota Sienna Service Manual: Components

Fuel injector

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Removal

1. DISCHARGE FUEL SYSTEM PRESSURE HINT: See page FU-1. 2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 3. REMOVE NO. 1 ENGINE UNDER COVER 4. DRAIN ENGINE COOLANT (See page CO-6) 5. REMOVE FR ...

Other materials:

Reassembly
1. INSTALL BRAKE PEDAL PAD (a) Install the brake pedal pad to the brake pedal subassembly. 2. INSTALL PUSH ROD PIN (a) Apply lithium soap base glycol grease to inside surface of 2 new push rod bushes. (b) Install the 2 new push rod bushes. (c) Install the 2 push rod pins with the 2 plate t ...

Check for intermittent problems
1. CHECK FOR INTERMITTENT PROBLEMS HINT: For use of the intelligent tester only: Inspect the vehicle's ECM using check mode. Intermittent problems are easier to detect with an intelligent tester when the ECM is in check mode. In check mode, the ECM uses 1 trip detection logic, which is more ...

On-vehicle inspection
1. INSPECT FUEL CUT RPM (a) Increase the engine speed to at least 3500 rpm. (b) Use a sound scope to check for injector operating sounds. (c) Check that when the throttle lever is released, injector operating sounds stop momentarily (at 2500 rpm) and then resume (at 1400 rpm). Standard ...