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, 4D SEDAN, STANDARDREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROLS - PINPOINT TEST HF: CATALYST EFFICIENCY MONITOR AND EXHAUST SYSTEMS THROUGH PINPOINT TEST JC: SECONDARY IGNITION (COIL PACK) - (EXCEPT DIESEL & HYBRID)PINPOINT TEST HH: EXHAUST GAS RECIRCULATION SYSTEM MODULE (ESM)NOTES
2010 Ford Focus SES, 4D Sedan, Standard
Pinpoint Test HH: Exhaust Gas Recirculation System Module (ESM): Notes
2010 Ford Focus SES, 4D Sedan, StandardSECTION Notes
NOTE:
Proceed to DTC testing steps listed in FAULT CODE SETTING CONDITION table of fault code setting condition.
FAULT CODE CONDITIONS
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| Crown Victoria, E-Series, Explorer 4.0L, Explorer Sport Trac 4.0L, F-150 4.6L 2V, F-Super Duty 6.8L, Grand Marquis, Mountaineer 4.0L, Mustang 4.0L, Mustang 5.4L, Town Car |
- | - | GO to PINPOINT TEST HH . |
| All others | - | - | GO to PINPOINT TEST HE . |
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.