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 MANUALSFORD2005TAURUS SEL, 4D SEDANREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROLS - PINPOINT TEST HG: POSITIVE CRANKCASE VENTILATION (PCV) SYSTEM THROUGH PINPOINT TEST JD: CRANKSHAFT POSITION (CKP) SENSOR - (EXCEPT DIESEL & HYBRID)PINPOINT TEST HM: SECONDARY AIR INJECTION (AIR) SYSTEMINTRODUCTIONNOTES
2005 Ford Taurus SEL, 4D Sedan
Pinpoint Test HM: Secondary Air Injection (AIR) System: Introduction: Notes
2005 Ford Taurus SEL, 4D SedanSECTION Notes
This pinpoint test is intended to diagnose the following:
- Secondary Air Injection System Relay (14B192).
- Electric Air Injection Pump (9A486).
- Secondary Air Injection Bypass Solenoid (9H465).
- Harness circuits: B+, VPWR, SAIR, SAIRM, Ground.
- Powertrain control module (PCM) (12A650).
- Secondary Air Injection Diverter Valve (9F491).
- Vacuum supply.
- Air Water Shield/Silencer (9C463).
- Hoses.
- Partial restricted exhaust.
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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.