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 MANUALSMERCURY1966COMET NOT AVAILABLE, 3.3L ENG VIN T, NOT AVAILABLE TRANSREPAIR AND DIAGNOSISENGINE PERFORMANCEFUEL DELIVERYFORD (AUTOLITE) 4-BARREL MODELS 4300ADJUSTMENTFAST IDLE SPEED
1966 Mercury Comet Not Available, 3.3L Eng VIN T, Not Available Trans
Fast Idle Speed
1966 Mercury Comet Not Available, 3.3L Eng VIN T, Not Available TransSECTION Fast Idle Speed
Rotate fast idle cam so that fast idle speed screw contacts kick-down step of cam, adjust fast idle screw to obtain specified fast idle engine speed (see Specifications ).
RENDER: 1.0x
NO RELATED
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Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.