Chart 18
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.
Exhaust System Concerns:
- Smoke
NOTE:
Black smoke indicates a rich fuel mixture, blue smoke indicates burning oil, and white smoke indicates water in the combustion chamber.
| SYSTEM/COMPONENT | REFERENCE ( PINPOINT TEST - CNG, FLEX-FUEL & GASOLINE ) unless noted |
|---|---|
| Base Engine | Engine System - Refer to the appropriate ENGINE article. |
| Black Smoke: Fuel Delivery System |
Natural Gas Applications: GO to B: Natural Gas Fuel Delivery System STEP HB1. All Others: GO to C: Fuel Delivery System STEP HC1. |
| Black Smoke: Ignition System |
For vehicles equipped with a coil pack ignition system, GO to PINPOINT TEST JC
. For all others, GO to PINPOINT TEST JB . |
| Blue Smoke: PCV System |
REFER to the appropriate ENGINE SYSTEMS - GENERAL INFORMATION article. |