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.
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HOMESERVICE MANUALSMAZDA20113 MAZDASPEED, 2.3 3REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 573 (ENGINE CONTROL SYSTEM [L3 WITH TC])FUEL PRESSURE SENSOR INSPECTION
2011 Mazda 3 Mazdaspeed, 2.3 3
Fuel Pressure Sensor Inspection
2011 Mazda 3 Mazdaspeed, 2.3 3SECTION Fuel Pressure Sensor Inspection
WARNING: This page is about a different car, the 2010 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
- Connect the M-MDS to the DLC-2.
- Switch the ignition to ON (Engine off).
- Select the FUEL_PRES PID on the M-MDS.
- After warming up the engine, verify that the FUEL_PRES PID is at the standard value under the following conditions.
- If not as verified, replace the fuel delivery pipe.
DIAGNOSIS PROCEDUREStep Condition FUEL_PRES PID 1 - Idle
- 90 s after engine is started
Approx. 3 MPa 2 - Idle
- Spill valve solenoid valve connector is disconnected
Approx. 530 kPa - After connecting the spill valve control solenoid valve connector, clear the DTC.
RENDER: 1.0x
NO RELATED
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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.