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 MANUALSFORD1999TAURUS V6-3.0L DOHC VIN SREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTIGNITION SYSTEMSPARK PLUGSERVICE AND REPAIRREMOVAL AND INSTALLATION
1999 Ford Taurus V6-3.0L DOHC VIN S
Removal and Installation
1999 Ford Taurus V6-3.0L DOHC VIN SSECTION Removal and Installation
REMOVAL
1. Disconnect the battery ground cable.
2. Remove the RH side of the cowl vent screen, and cowl top extension.
3. Disconnect engine control sensor wiring from the ignition coil. Remove the four ignition coil hold-down screws, and remove the ignition coil to access the spark plugs on cylinders 1, 2 and 3.
4. Disconnect the electric IMRC actuator electrical connector. Remove the mounting screws, and lay the IMRC actuator aside to access the spark plugs on cylinders 4, 5 and 6.
5. Disconnect ignition wires from spark plugs.
6. Loosen spark plugs 1/4 turn. Using compressed air, remove any dirt or foreign material from spark plug areas of valve cover.
7. Remove spark plugs.
NOTE: Mark location of each spark plug for installation.
8. Check and adjust spark plugs.
NOTE: Refer to Spark Plug Inspection Chart to determine the condition of the spark plugs.
INSTALLATION
1. Follow removal procedure in reverse order.
2. Tighten spark plugs to 10-20 N.m (84-180 Lb-In).
1. Disconnect the battery ground cable.
2. Remove the RH side of the cowl vent screen, and cowl top extension.
3. Disconnect engine control sensor wiring from the ignition coil. Remove the four ignition coil hold-down screws, and remove the ignition coil to access the spark plugs on cylinders 1, 2 and 3.
4. Disconnect the electric IMRC actuator electrical connector. Remove the mounting screws, and lay the IMRC actuator aside to access the spark plugs on cylinders 4, 5 and 6.
5. Disconnect ignition wires from spark plugs.
6. Loosen spark plugs 1/4 turn. Using compressed air, remove any dirt or foreign material from spark plug areas of valve cover.
7. Remove spark plugs.
NOTE: Mark location of each spark plug for installation.
8. Check and adjust spark plugs.
NOTE: Refer to Spark Plug Inspection Chart to determine the condition of the spark plugs.
INSTALLATION
1. Follow removal procedure in reverse order.
2. Tighten spark plugs to 10-20 N.m (84-180 Lb-In).
RENDER: 1.0x
NO RELATED
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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.