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Fuel Cut System

  1. Connect scan tool to data link connector No. 3. See Figure-Figure . Scan tool is used to read engine RPM. Start engine and warm engine to normal operating temperature.
  2. Ensure A/C and all accessories are off. Gradually increase engine RPM to specified RPM. See FUEL CUT SYSTEM TESTING SPEED  table.
    FUEL CUT SYSTEM TESTING SPEED

    Application Engine RPM
    Camry CNG & Gasoline Models, & Camry Solara 2500
    Celica, Corolla & ECHO 3500
    RAV4 2500
    Tacoma & 4Runner 3500
  3. 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).
  4. Ensure fuel return RPM is within specification. See FUEL CUT SYSTEM SPECIFICATIONS  table. Shut engine off. Remove test equipment.
FUEL CUT SYSTEM SPECIFICATIONS (1)

Application Fuel Return RPM
Camry
CNG Models 1400
Gasoline Models 1500
Camry Solara 1500
Celica, Corolla & ECHO 1400
RAV4 1500
Tacoma & 4Runner
A/T 1500
M/T 1400
(1) Check with engine at normal operating temperature and A/C off.
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