Pinpoint Test JB: Secondary Ignition (Cop): Introduction
WARNING: This page does not describe the selected car, but rather 30 other vehicles, including the 2006 Mercury Mountaineer, 2006 Mercury Monterey, 2006 Mercury Montego, 2006 Mercury Milan, and 2006 Mercury Mariner. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
A malfunctioning ignition system may cause high catalyst temperatures. Check the components next to the catalyst and muffler for heat damage.
This pinpoint test is intended to diagnose the following:
- spark plugs (12405)
- secondary side of the coil
FIRING ORDER SPECIFICATION
| Vehicle | Firing Order for Coil On Plug Applications |
|---|---|
| BASE, 4-cylinder applications | 1 3 4 2 |
| Escape 3.0L, Five Hundred, Freestyle, Mariner, Montego, Fusion, Milan, Zephyr | 1 4 2 5 3 6 |
| LS | 1 5 4 2 6 3 7 8 |
| BASE, 8-cylinder applications | 1 3 7 2 6 5 4 8 |
| BASE, 10-cylinder applications | 1 6 5 10 2 7 3 8 4 9 |