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 DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 898 (ACCELERATION CONTROL SYSTEM - (EXCEPT HYBRID))DIAGNOSTIC TESTSACCELERATION CONTROLSYMPTOM CHART

2005 Ford Taurus SEL, 4D Sedan

Symptom Chart

2005 Ford Taurus SEL, 4D SedanSECTION Symptom Chart

WARNING: This page is about a different car, the 2007 Mercury Mariner and 2007 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.

Symptom Chart

Condition	Possible Sources	Action
Accelerator pedal is hard to push down or has a rough or sticky feel	Damaged accelerator cable	NOTE: Do not lubricate the accelerator cable. INSTALL a new accelerator cable. REFER to Accelerator Cable - 2.3L or Accelerator Cable - 3.0L (4V) .
	Accelerator cable	CHECK the accelerator cable for correct installation.
	Worn or damaged throttle body	INSTALL a new throttle body. REFER to FUEL CHARGING AND CONTROLS - 2.3L article or FUEL CHARGING AND CONTROLS - 3.0L (4V) article.
	Damaged accelerator pedal and shaft	INSTALL a new accelerator pedal and shaft. REFER to Accelerator Pedal and Shaft .
Accelerator pedal shaft lever sticks (does not return freely)	Damaged accelerator cable	INSTALL a new accelerator cable. REFER to Accelerator Cable - 2.3L or Accelerator Cable - 3.0L (4V) .
	Accelerator cable	CHECK the accelerator cable for correct installation.
	Weak or broken throttle body shaft spring	INSTALL a new throttle body. REFER to FUEL CHARGING AND CONTROLS - 2.3L article or FUEL CHARGING AND CONTROLS - 3.0L (4V) article.
	Worn or damaged throttle body	INSTALL a new throttle body. REFER to FUEL CHARGING AND CONTROLS - 2.3L article or FUEL CHARGING AND CONTROLS - 3.0L (4V) article.
High engine idle speed	Damaged accelerator cable	INSTALL a new accelerator cable. REFER to Accelerator Cable - 2.3L or Accelerator Cable - 3.0L (4V) .
	Accelerator cable incorrectly installed	CHECK the accelerator cable for correct installation.
	Electrical/mechanical/ vacuum	REFER to the Introduction - Gasoline Engines article.
	Idle air control (IAC) valve	INSTALL a new IAC. REFER to ELECTRONIC ENGINE CONTROLS - 2.3L article or ELECTRONIC ENGINE CONTROLS - 3.0L (4V) article.

RENDER: 1.0x

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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.