ROUTINE 219 - Exhaust SMOKE
NOTE:
White smoke is normal during warm-up.
EXHAUST SMOKE
| SYSTEM & COMPONENT(S) | GO TO: |
|---|---|
| BLACK SMOKE (RICH MIXTURE) Air Cleaner Element (Restricted) Fuel Pressure Regulator Injectors EEC Components | Perform a visual inspection See SYSTEM/COMP TESTS See TESTS W/CODES |
| BLUE SMOKE (BURNING OIL) PCV Valve | See BASIC TESTING |
| Valve Guides/Stems/Seals, Oil Drain Passages in Head Rings (not seated, seized, gummed up, worn), Cylinder Bores (scuffed) | See BASIC TESTING See engine mechanical condition |
| WHITE SMOKE (COOLANT IN COMBUSTION) Thermactor Vacuum Delay Valve (restricted), EGR Cooler, Intake Manifold (cracked/porous), Cylinder Head/Gasket (Leaks), Block (cracked/porous) | See I - SYSTEM/COMP TEST |