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Home >> Toyota >> 2001 >> Sienna CE >> Repair and Diagnosis >> External Pages >> Different car >> Section 28 (Engine Controls - System & Component Testing - V6 & V8) >> Fuel Systems >> Fuel Control >> Fuel Cut System (Avalon, Camry Solara, Land Cruiser, Sequoia, Sienna, Tacoma, Tundra & 4Runner)

Fuel Cut System (Avalon, Camry Solara, Land Cruiser, Sequoia, Sienna, Tacoma, Tundra & 4Runner)

WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2002 Toyota Tundra, 2002 Toyota Tacoma, 2002 Toyota Sienna, 2002 Toyota Sequoia, and 2002 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
  1. On Avalon, Camry Solara and Sienna, remove "V" bank cover on top of engine for access to fuel injectors. See Figure and Figure .
  2. On all models, connect Toyota hand-held tester or scan tool to data link connector No. 3 at driver's side of instrument panel. See Figure-Figure . Hand-held tester or scan tool is used to read engine RPM. Start engine. Warm engine to normal operating temperature.
  3. Ensure A/C is off. Gradually increase engine speed to specified RPM. See FUEL CUT SYSTEM TESTING SPEED  table.
    FUEL CUT SYSTEM TESTING SPEED

    Application Engine RPM
    Avalon, Camry Solara, Sienna, Tacoma, Tundra 3.4L V6 & 4Runner 3500
    Land Cruiser, Sequoia & Tundra 4.7L V8 2500
  4. Using stethoscope, check for fuel injector operating sound. Ensure when throttle lever is released, fuel injector stops operating momentarily and then resumes operating (fuel return RPM).
  5. Ensure fuel return RPM is within specification. See FUEL CUT SYSTEM SPECIFICATIONS  table. Shut engine off. Remove hand-held tester or scan tool.
FUEL CUT SYSTEM SPECIFICATIONS (1)

Application Fuel Return RPM
Avalon & Camry Solara 1200
Land Cruiser 1000
Sequoia 1400
Sienna 1200
Tacoma
A/T 1200
M/T 1000
Tundra
3.4L V6
A/T 1200
M/T 1000
4.7L V8 1000
4Runner 1500
(1) Check with engine at normal operating temperature and A/C off.