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 MANUALSFORD1980COURIER 2.3L ENG, STANDARD TRANS, TRANS MFR CD 5EREPAIR AND DIAGNOSISENGINE PERFORMANCEFUEL DELIVERYDECELERATION CONTROL SYSTEMTESTINGANTI-AFTERBURN VALVE
1980 Ford Courier 2.3L Eng, Standard Trans, Trans Mfr CD 5E
Anti-AFTERBURN Valve
1980 Ford Courier 2.3L Eng, Standard Trans, Trans Mfr CD 5ESECTION Anti-AFTERBURN Valve
- Disconnect anti-afterburn valve inlet hose and run engine at idle speed. Press a finger tightly over inlet hose opening. This should not cause engine speed to vary.
- Hold a finger lightly over inlet hose opening. Increase engine speed and quickly release accelerator. Air should flow inward for a few seconds. If the valve passes air inward for longer than three seconds, or does not pass air at all, replace the anti-afterburn valve.
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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.