Fuel Cut System (Avalon, Camry Solara, Land Cruiser, Sequoia, Sienna, Tacoma, Tundra & 4Runner 4.0L)
WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2003 Toyota Tundra, 2003 Toyota Tacoma, 2003 Toyota Sienna, 2003 Toyota Sequoia, and 2003 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
- On Avalon, Camry Solara and Sienna, remove "V" bank cover on top of engine for access to fuel injectors. See Figure and Figure
.
- 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, Figure, Figure, Figure, Figure, Figure or Figure
. Hand-held tester or scan tool is used to read engine RPM. Start engine. Warm engine to normal operating temperature.
- Ensure A/C is off. Gradually increase engine speed to specified RPM. See FUEL CUT SYSTEM TESTING SPEED table.
- 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).
- 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 TESTING SPEED
| Application |
Engine RPM |
| Avalon, Camry Solara, Sienna, Tacoma, Tundra 3.4L & 4Runner 4.0L |
3500 |
| Land Cruiser, Sequoia & Tundra 4.7L |
2500 |
| 4Runner 4.7L |
|
FUEL CUT SYSTEM SPECIFICATIONS
| Application |
Fuel Return RPM |
| Avalon & Camry Solara |
1200 |
| Land Cruiser |
1000 |
| Sequoia |
1400 |
| Sienna |
1200 |
| Tacoma |
| A/T |
1200 |
| M/T |
1000 |
| Tundra |
| V6 |
| A/T |
1200 |
| M/T |
1000 |
| V8 |
1000 |
| 4Runner |
| V6 |
1200 |
| V8 |
|