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 MANUALSMAZDA20086 S SPORT, 4D HATCHBACK, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 560 (SYMPTOM TROUBLESHOOTING [ENGINE CONTROL SYSTEM L3))ENGINE CONTROL SYSTEM OPERATION INSPECTIONELECTRONIC THROTTLE CONTROL SYSTEM INSPECTIONLOAD COMPENSATION INSPECTION
2008 Mazda 6 s Sport, 4D Hatchback, Standard
Load compensation inspection
2008 Mazda 6 s Sport, 4D Hatchback, StandardSECTION Load compensation inspection
WARNING: This page is about a different car, the 2007 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
- Start the engine and run it at idle.
- Connect M-MDS to the DLC-2.
- Verify that P0506 or P0507 is not displayed.
- If P0506, or P0507 is displayed, perform DTC inspection.
(See DTC TABLE ).
- If P0506, or P0507 is displayed, perform DTC inspection.
- Select the RPM PID.NOTE:
- Excludes temporary idle speed drop just after the loads are turned on.
- Verify that the engine speed is within the specification under each load condition.
- If load condition is not as specified, inspect the following:
- A/C switch and related harness
- Fan switch and related harness
- PSP switch and related harness
- If load condition is not as specified, inspect the following:
Engine speed
ENGINE SPEED SPECIFICATION
| Load condition | Engine speed (RPM)(1) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| No load | 650-750 | |||||||||
| E/L operating | 650-750 | |||||||||
| P/S operating | 650-750 | |||||||||
| A/C operating(2) | Refrigerant pressure low(3) | 750-850 | ||||||||
| Refrigerant pressure high(4) | 750-850 | |||||||||
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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.