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Engine Controls - System & Component Testing - V6 & V8 Toyota 4Runner III

Step-by-step instructions on "Engine Controls - System & Component Testing - V6 & V8" for Toyota 4Runner III (1995–2003). Pick an article — removal, installation, adjustment and diagnostics with illustrations.

ELECTRONIC THROTTLE CONTROL SYSTEM (ETCS)

Land Cruiser

INTAKE AIR CONTROL VALVE SYSTEM

Power & Ground Circuits

AIR/FUEL (A/F) SENSOR

Avalon Calif. Emission Vehicles, Camry Calif. Emission Vehicles With A/T, Camry Solara Calif. Emission Vehicles With A/T & Sienna Calif. Emission Vehicles

4Runner Calif. Emission Vehicles

AIRFLOW METER

CAMSHAFT POSITION SENSOR

CRANKSHAFT POSITION SENSOR

Avalon, Camry & Camry Solara

Avalon, Camry, Camry Solara & Sienna

Tacoma & 4Runner

Camry & Camry Solara

Sienna

Avalon, Camry, Camry Solara, Sienna, Tacoma & 4Runner

A/T Models

VAPOR PRESSURE SENSOR

4Runner

CIRCUIT OPENING RELAY

EFI MAIN RELAY

Fuel Pump Electronic Control Unit (Land Cruiser)

Fuel Pump Switch (Land Cruiser)

Fuel Pump Pressure

Fuel Cut System

IGNITION SYSTEM

Knock Sensors

EGR POSITION SENSOR

EGR VACUUM CONTROL VALVE

FUEL EVAPORATION SYSTEM

Charcoal Canister

EVAP Vacuum Switching Valve

Vapor Pressure Sensor Vacuum Switching Valve

POSITIVE CRANKCASE VENTILATION (PCV)

Tacoma With M/T & 4Runner With M/T