Test Procedure
WARNING: This page does not describe the selected car, but rather 30 other vehicles, including the 2004 Mercury Sable, 2004 Mercury Mountaineer, 2004 Mercury Monterey, 2004 Mercury Marauder, and 2004 Mercury Grand Marquis. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Proceed to DTC testing steps listed in FAULT CODE SETTING CONDITION table of fault code setting condition.
FAULT CODE SETTING CONDITION
| Fault Code | KOEO | KOER | Continuous Memory |
|---|---|---|---|
| P0320 | NC1 |
- NC1 CONTINUOUS MEMORY DTC P0320: ERRATIC IGNITION NOTE: Verify all 2 -way radio installations. Carefully follow the manufacturer's installation instructions regarding the routing of the antenna and power leads.
Are any faults present?
Yes No Repair as necessary. KEY OFF
GO to NC2. - NC2 NO START CONCERN
Is the customer complaint No start?
Yes No GO to PINPOINT TEST A step 1 . GO to NC3. - NC3 INTERMITTENT FAULTS
Is this an intermittent condition?
Yes No GO to PINPOINT TEST Z step 1 . GO to PINPOINT TEST JD step 1 .