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 MANUALSFORD2010FOCUS SES, 2D COUPE, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROLS - POWERTRAIN DTC CHARTS & DESCRIPTIONS (EXCEPT DIESEL & HYBRID)DTC DIAGNOSISDTC P0390: CAMSHAFT POSITION SENSOR B CIRCUIT (BANK 2)
2010 Ford Focus SES, 2D Coupe, Standard
DTC P0390: Camshaft Position Sensor B Circuit (Bank 2)
2010 Ford Focus SES, 2D Coupe, StandardSECTION DTC P0390: Camshaft Position Sensor B Circuit (Bank 2)
DTC P0390: CAMSHAFT POSITION SENSOR B CIRCUIT (BANK 2)
| Description: | The test fails when the powertrain control module (PCM) can no longer detect the signal from the camshaft position (CMP) sensor on bank 2. | ||
| Possible Causes: | See the possible causes for DTC P0365 . | ||
| Diagnostic Aids: | See the diagnostic aids for DTC P0365 . | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST DR . | ||
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.