Chart 9
WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2005 Mercury Sable, 2005 Mercury Mountaineer, 2005 Mercury Monterey, 2005 Mercury Montego, and 2005 Mercury Mariner. However, it is still accessible from the selected car via links, so may be relevant.
- Spark Knock
| SYSTEM/COMPONENT | REFERENCE ( PINPOINT TEST - GASOLINE MODELS unless noted) |
|---|---|
| Verify the engine operates at normal temperature | Visual. REFER to ENGINE COOLING or the Symptom Index, to diagnose any cooling system concerns that are present. |
| Verify correct coolant level and coolant concentration | REFER to ENGINE COOLING for proper coolant concentrations and fill procedures. |
| Mass Air Flow (MAF) Sensor | GO to C: Mass Air Flow (MAF) Sensor STEP DC26. |
| Base Engine | REFER to ENGINE . |
| Fuel Delivery System | GO to PINPOINT TEST HC . |
| Secondary Ignition System | For vehicles equipped with a coil pack ignition system, GO to PINPOINT TEST JC
. For all others, GO to PINPOINT TEST JB . |
| PCV System | GO to PINPOINT TEST HG . |
| Engine Oil Quality | Visual |
| Additional Testing | GO to PINPOINT TEST Z . |