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.
2007 Mazda RX8 2RTR-1.3LFACTORY OEM SERVICE PROCEDURE
Fuel Injector
Fuel Injector
Resistance
Approx. 13.8 ohms [20 °C (68 °F}]
Tilt the fuel injector at an angle of 60° to inspect for leakage.
Test condition
- Fuel pressure: 392 kPa {4.00 kgf/sq.cm, 56.9 Psi}
- Atmosphere temperature: Normal temperature
Wait 5 min and measure the fuel hold pressure.
Fuel hold pressure
200 kPa {2.0 kgf/sq.cm, 29 psi}
Resistance
Approx. 13.8 ohms [20 °C (68 °F}]
Tilt the fuel injector at an angle of 60° to inspect for leakage.
Test condition
- Fuel pressure: 392 kPa {4.00 kgf/sq.cm, 56.9 Psi}
Leakage Amount:
- Atmosphere temperature: Normal temperature
Wait 5 min and measure the fuel hold pressure.
Fuel hold pressure
200 kPa {2.0 kgf/sq.cm, 29 psi}
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.