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Standard Ignition AS139 Fuel Tank Pressure Sensor
| Brand | Standard Ignition AS139 |
|---|---|
| Connector Gender | Female |
| Connector Shape | Oval |
| Connector Type | Plug In |
| Mounting Hardware Included | No |
| Mounting Location | On Intake Manifold |
| O.E.M. Replacement | Yes |
| Terminal Gender | Male |
| Terminal Type | Blade |
| Fits | Toyota · 3 vehicles |
OE replacement. Direct-fit sensor with plug-in connector and OEM-style terminals.
Compact sensor design. Black housing with oval connector for a clean, factory-style look.
Simple installation. No mounting hardware, brackets, or O-rings included.
Cross-references Dayco 72757, Standard Ignition AS139 and 2-16514 for the same application. See all 10.
Fuel Tank Pressure Sensor for Toyota Tundra
Standard Ignition AS139 is an OE replacement fuel tank pressure sensor for 2000-2002 Toyota Tundra applications. It uses a black housing with a female oval plug-in connector and a 3-blade male terminal layout for direct-style integration on the intake manifold.
Key Features
- OE replacement fuel tank pressure sensor
- Mounts on the intake manifold
- Female oval connector with plug-in design
- 3-terminal blade connection
- Black color/finish
- Single vacuum port and single connector design
- No mounting bracket, mounting hardware, O-rings, or wiring harness included
Detailed Description
Standard Ignition AS139 is built for 2000-2002 Toyota Tundra fuel system service where accurate tank pressure input is required for emissions monitoring and engine management. This sensor is an OE-style replacement that matches the original mounting location on the intake manifold and uses the specified connector and terminal configuration for a straightforward replacement. This part cross-references Dayco 72757 for the same application.
For Toyota Tundra owners searching for a fuel tank pressure sensor replacement, AS139 provides the correct fitment profile for 2000, 2001, and 2002 model years. It is also referenced by interchange numbers including 2-16514 and 5S2525.
What It Helps Address
- Fuel tank pressure sensor fault codes
- Evaporative emissions system monitoring issues
- Rough idle or drivability concerns tied to pressure signal errors
- Check engine light conditions related to EVAP diagnostics
- Failed or inaccurate tank pressure readings on Toyota Tundra models
Installation Notes and Tips
Verify the connector shape, terminal count, and mounting location before installation. AS139 mounts on the intake manifold and uses a plug-in female connector, so the vehicle harness should match the original sensor configuration. Confirm the Toyota Tundra year and engine bay layout against the existing part before replacement.
Quality Assurance
Standard Ignition supplies OE replacement electrical and engine management components, and AS139 is built to match the original application requirements for 2000-2002 Toyota Tundra service.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2002 | Toyota | Tundra | N/A | — |
| 2001 | Toyota | Tundra | N/A | — |
| 2000 | Toyota | Tundra | N/A | — |
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