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 MANUALSFORD1986AEROSTAR V6-183 3.0LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTEMISSION CONTROL SYSTEMSEXHAUST GAS RECIRCULATIONEGR CONTROL SOLENOIDTESTING AND INSPECTION
1986 Ford Aerostar V6-183 3.0L
EGR Control Solenoid: Testing and Inspection
1986 Ford Aerostar V6-183 3.0LSECTION Testing and Inspection
The resistance of each solenoid should be between 32 and 64 ohms. If the solenoid is not within these values, the solenoid should be replaced.
The vent valve should flow when the solenoid is de-energized.
The control valve should flow air when the solenoid is energized.
For additional information, Refer to Powertrain Management/Computers and Control Systems/System Diagnosis
NOTE: The valves can be expected to have a very small leakage rate when energized or de-energized. This leakage is not measurable in the field and is not detrimental to valve function.
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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.