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 689 (ON-BOARD DIAGNOSTIC (ENGINE CONTROL SYSTEM L3) (4 OF 5))DTC P050ANOTES
2008 Mazda 6 s Sport, 4D Hatchback, Standard
DTC P050A: Notes
2008 Mazda 6 s Sport, 4D Hatchback, StandardSECTION Notes
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.
DTC P050A DETECTION CONDITION AND POSSIBLE CAUSES
| DTC P050A | Cold start idle air control system performance | |||
|---|---|---|---|---|
| DETECTION CONDITION | * Actual idle speed is lower than expected by 100 rpm for 8.4 s when the target idle speed correction value for cold start is above 0 rpm
or ignition retard value is above 8.9 deg. CA. Note * If atmospheric pressure is less than 72.3 kPa {542 mmHg, 21.3 inHg} or intake air temperature is below -10 °C {14 °F} , the PCM cancels diagnosis of P050A. Diagnostic support note * This is an intermittent monitor (Cold start reduction strategy monitoring). * The MIL illuminates if the PCM detects the above malfunction condition in two consecutive drive cycles or in one drive cycle while the DTC for the same malfunction has been stored in the PCM. * PENDING CODE is available if the PCM detects the above malfunction condition during the first drive cycle. * FREEZE FRAME DATA is available. * DTC is stored in the PCM memory. |
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| POSSIBLE CAUSE | * Electronic throttle control system malfunction * Throttle valve stuck or blockage * Air suction in intake air system * PCM malfunction |
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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.