Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2012 Toyota 4Runner TrailFACTORY OEM SERVICE PROCEDURE
Service Data
FUEL PRESSURE
| at idle | 321 to 327 kPa (3.27 to 3.33 kgf/cm2 , 46.5 to 47.4 psi) |
| remains for 5 minutes after engine has stopped | 147 kPa (1.5 kgf/cm2 , 21 psi) or higher |
FUEL INJECTOR
| Resistance: at 20Β°C (68Β°F) | 11.6 to 12.4 Ξ© |
| Injection volume | 71 to 86 cm3 (4.3 to 5.2 cu in.) per 15 seconds |
| Difference between each cylinder | 15 cm3 (0.9 cu in.) or less |
| Fuel leakage | 1 drop or less per 12 minutes |
FUEL PUMP
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| 1 - 2 | 20Β°C (68Β°F) | 0.2 to 3.0 Ξ© |
FUEL SENDER GAUGE
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| 2 - 3 | Float level is F (upper) | 12 to 18 Ξ© |
| Float level is E (lower) | 405 to 415 Ξ© |
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
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