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 MANUALSFORD1988AEROSTAR VAN PASSENGER, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMEEC-IV CEC SYSTEMQUICK TESTREADING SELF-TEST CODESSEPARATOR PULSE
1988 Ford Aerostar Van Passenger, Automatic
Separator Pulse
1988 Ford Aerostar Van Passenger, AutomaticSECTION Separator Pulse
A single 1/2 second separator pulse is issued 6-9 seconds after last functional KOEO SELF-TEST code. Then 6-9 seconds after the single 1/2 second separator pulse, the continuous memory codes will be displayed.
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.