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 MANUALSFORD2004FOCUS ZX3, 2.0 3, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROLS - POWERTRAIN DTC CHARTS & DESCRIPTIONS - CNG, FLEX-FUEL & GASOLINEDIAGNOSTIC TROUBLE CODE (DTC) CHARTSP1550 - POWER STEERING PRESSURE (PSP) SENSOR MALFUNCTION
2004 Ford Focus ZX3, 2.0 3, Standard
P1550 - Power Steering Pressure (PSP) Sensor Malfunction
2004 Ford Focus ZX3, 2.0 3, StandardSECTION P1550 - Power Steering Pressure (PSP) Sensor Malfunction
P1550 - POWER STEERING PRESSURE (PSP) SENSOR MALFUNCTION
| Description: | The PSP sensor input signal to the PCM is continuously monitored. The test fails when the signal falls out of a maximum or minimum calibrated range. | ||
| Possible Causes: |
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| Diagnostic Aids: |
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| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to DT: Power Steering Pressure Sensor STEP 2 | GO to DT: Power Steering Pressure Sensor STEP 1 | - |
RENDER: 1.0x
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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.