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.
2005 Mercury Sable Platinum EditionFACTORY OEM SERVICE PROCEDURE
Pinpoint Test B: High Engine Idle Speed
- B1 CHECK CABLE CONDITION
- Disconnect the accelerator cable from the cam at the throttle body.
- Make sure the disconnected end of the accelerator cable does not come in contact with any of the surrounding parts.
- Is the cable core wire kinked, frayed or damaged?
- Yes : INSTALL a new accelerator cable. REFER to ACCELERATOR CABLE - 3.0L (2V) or REFER to ACCELERATOR CABLE - 3.0L (4V) .
- No : GO to B2.
- B2 RESTRICTED CABLE MOVEMENT
- With the cable disconnected from the cam at the throttle body, pull the core wire through its entire travel from the pedal end and then from the throttle end.
- Is the cable movement rough, sticky or restricted?
- Yes : INSTALL a new accelerator cable. REFER to ACCELERATOR CABLE - 3.0L (2V) or REFER to ACCELERATOR CABLE - 3.0L (4V) .
- No : GO to B3.
- B3 RESTRICTED THROTTLE BODY LEVER MOVEMENT
- Disconnect the speed control actuator cable from the throttle body lever.
- Cycle the throttle body lever through its entire range of movement.
- Is the throttle body lever movement rough, sticky or restricted?
- Yes : See INTRODUCTION - GASOLINE , for diagnosis and testing of the throttle body.
- No : REFER to SPEED CONTROL .
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.