Thunderbird V8-281 4.6L SOHC (1994)
Accelerator Cable/Linkage: Pinpoint Tests
Test A
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Disconnect the cable end from the throttle body linkage.
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Ensure the disconnected end of cable does not come in contact the with any of the surrounding parts.
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Operate the pedal by hand.
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Is the full pedal travel to WOT restricted by carpeting, floor mats, etc.?
YES -- Remove restriction to pedal travel.
NO -- Go to Test B. See: Test B
Test B
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Cable end should remain disconnected.
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Operate the pedal by foot.
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Is the pedal operation smooth?
NOTE: The accelerator cable should not be lubricated and is not a serviceable item.
YES -- Refer to the throttle body diagnosis procedures.
NO -- Check the foot pedal assembly for free operation or check for worn or damaged cable by following Test C. See: Test C
Ball Stud Throttle Linkage
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Disconnect the cable from the ball stud at the throttle body.
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Ensure the disconnected end of the cable does not come in contact with any of the surrounding parts.
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From inside the vehicle, pull the cable core wire through its full travel.
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Does it feel rough, sticky or restricted?
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Release the core wire.
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Does it stick or hesitate before returning to its original position?
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Compress the spring at the throttle body end of the cable and observe the cable as it returns to its original position.
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Does the spring stick or fail to return to its original position at a rapid rate?
YES -- If Yes to any of the questions: Replace the cable.
NO -- If No to all of the questions: Cable is functioning properly. Refer to the Throttle Body / Testing and Inspection / Procedures or
adjust the carpet, floor mat, etc., as required.
Cam/Pulley Throttle Linkage
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Disconnect the cable from the cam at the throttle body.
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Ensure the disconnected end of the cable does not come in contact with any of the surrounding parts.
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Is the cable core wire kinked, frayed or damaged?
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Pull the core wire through its entire travel from the pedal end and then from the throttle end.
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Does it feel rough, sticky or restricted?
