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.
2008 Toyota Matrix Base, StandardFACTORY OEM SERVICE PROCEDURE
Service Data
1ZZ-FE FUEL SERVICE DATA SPECIFICATION
| Fuel pressure | Standard | 304 to 343 kPa (3.1 to 3.5 kgf/cm2 , 44 to 50 psi) |
|---|---|---|
| Fuel injector assembly | ||
| Resistance (1 - 2) | Standard | 11.6 to 12.4 Ω at 20°C (68°F) |
| Injection volume | 60 to 73 cm3 (3.6 to 4.5 cu in.) per 15 seconds | |
| Difference between each fuel injector | 13 cm3 (0.9 cu in.) or less | |
| Leakage | Standard | 1 drop or less per 12 minutes |
| Fuel pump | ||
| Resistance (1 (+) - 2 (-)) | Standard | 0.2 to 3.0 Ω at 20°C (68°F) |
| Compression spring (Exhaust pipe assembly front x Exhaust manifold) | ||
| Free length | Minimum | 41.5 mm (1.6339 in.) |
| Compression spring (Exhaust pipe assembly tail x Exhaust pipe assembly front) | ||
| Free length | Minimum | 38.5 mm (1.5158 in.) |
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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