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 MANUALSFORD2005TAURUS SEL, 4D SEDANREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTCRUISE CONTROL SYSTEMSDIAGNOSIS AND TESTINGSPEED CONTROLPINPOINT TESTSPINPOINT TEST H: THE SET SPEED FLUCTUATES
2005 Ford Taurus SEL, 4D Sedan
Pinpoint Test H: The Set Speed Fluctuates
2005 Ford Taurus SEL, 4D SedanSECTION Pinpoint Test H: The Set Speed Fluctuates
- H1 CHECK THE SPEED CONTROL ACTUATOR CABLE/THROTTLE BODY LINKAGE
- Key in OFF position.
- Remove the speed control actuator cable from the speed control actuator. Visually inspect the core wire and check the speed control actuator cable by pulling on it and noting the throttle movement.
- Is the speed control actuator cable OK?
- Yes : GO to H2.
- No : INSTALL a new speed control actuator cable or REFER to ACCELERATION CONTROL for repair of the throttle body linkage. TEST the system for normal operation.
- H2 CHECK THE SPEEDOMETER OPERATION
- Drive the vehicle and observe the speedometer operation.
- Does the speedometer fluctuate?
- Yes : REFER to INSTRUMENT CLUSTER .
- No : INSTALL a new speed control actuator. REFER to SPEED CONTROL ACTUATOR . TEST the system for normal operation.
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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.