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 MANUALSFORD1987AEROSTAR VAN PASSENGER, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCETESTING & DIAGNOSISFUEL EVAPORATION SYSTEMDESCRIPTIONORIFICE VALVE
1987 Ford Aerostar Van Passenger, Standard
Orifice Valve
1987 Ford Aerostar Van Passenger, StandardSECTION Orifice Valve
On all vehicles, liquid fuel is prevented from entering vapor lines by restricted orifices. Orifices usually are a .050" (1.27 mm) orifice valve, located in emission control valve in fuel tank dome.
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.