General specification 4.0L
| Name | Specification |
| *Spark Plugs - Platinum: | |
| brand | Motorcraft |
| Type | AGSF24PM |
| ** Clearance | 1,4 mm (0,055 in) |
| + Spark plugs - copper: | |
| brand | Motorcraft |
| Type | SGSF22L |
| ++ Clearance | 1,4 mm (0,055 in) |
| Ignition Coils: | |
| brand | Denso |
| Type | Direct ignition coil |
* Can be used with either LEADED or UNLEADED fuel but must be changed at 15,000 mile intervals when used with LEADED fuel (24000 km).
** Do not change the spark plug gap during service work. If the gap is out of specification, spark plug (And) need to be replaced
+ Can only be used with LEADED fuel
++ New spark plugs must have a gap of 1.4 mm, do not change the gap of the spark plugs during service work. If the gap is out of specification, spark plug (And) must be replaced Torque specifications
Torque specifications 4.0L
| Description | Nm | lb-ft |
| Ignition Coil Bolt/Pin | 6 | 4 |
| Spark Plugs - Platinum or Copper | 18 | 13 |
General specification 4.4L
| Position | Specification |
| Spark plug: | |
| brand | NGK |
| Type | Iridium spark plugs 1FR5N10 |
| Gap | 1,0 mm (0,04 in) |
| Ignition coil: | |
| brand | Denso |
| Type | 2W93-12A366-BA |
| Ignition order: | 1-5-4-2-6-3-7-8 |
Torque specifications 4.4L
| Name | Nm | lb-ft |
| Ignition coil bolt | 6 | 4 |
| Spark plug | 25 | 18 |
2.7L Glow Plug Specifications
| Position | Name |
| Glow plugs - manufacturer | Beru |
| Name | Nm | lb-ft |
| glow plugs | 10 | 7 |
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